Macaca noun macaques; rhesus monkeys macadam



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originality - noun the quality of being new and original (not derived from something else); the ability to think and act independently

  • originally - adv. in an original manner; before now; with reference to the origin or beginning

  • origination - noun the act of starting something for the first time; introducing something new; an event that is a beginning; a first part or stage of subsequent events

  • originative - adj. having the ability or power to create; containing seeds of later development

  • originator - noun someone who creates new things

  • orinasal - noun a speech sound produced with both the oral and nasal passages open (as French nasal vowels)

  • oriolidae - noun Old World orioles

  • oriolus - noun type genus of the Oriolidae

  • orison - noun reverent petition to a deity

  • oriya - noun a Magadhan language that is spoken by the Oriya and is the official language of the Indian state of Orissa; a member of a people in India living in Orissa and neighboring areas

  • orleanism - noun the political principles of the Orleanists

  • orleanist - noun a supporter of the Orleans branch of the Bourbons that was descended from a younger brother of Louis XIV

  • orlop - noun the fourth or lowest deck

  • ormazd - noun chief deity of Zoroastrianism; source of light and embodiment of good

  • ormer - noun an abalone found near the Channel Islands

  • ormolu - noun brass that looks like gold; used to decorate furniture

  • ornamental - adj. serving an esthetic rather than a useful purpose; noun any plant grown for its beauty or ornamental value

  • ornamentalism - noun the practice of ornamental display

  • ornamentalist - noun someone who decorates

  • ornamentally - adv. in an ornamental, nonfunctional manner

  • ornateness - noun an ornate appearance; being elaborately (even excessively) decorated; high-flown style; excessive use of verbal ornamentation

  • orneriness - noun meanspirited disagreeable contrariness

  • ornithine - noun an amino acid that does not occur in proteins but is important in the formation of urea

  • ornithischia - noun extinct terrestrial reptiles having birdlike pelvises: armored dinosaurs (thyreophorans); boneheaded and horned dinosaurs (marginocephalians); duck-billed dinosaurs (euronithopods)

  • ornithischian - noun herbivorous dinosaur with a pelvis like that of a bird

  • ornithogalum - noun sometimes placed in family Hyacinthaceae

  • ornithological - adj. of or relating to ornithology

  • ornithologist - noun a zoologist who studies birds

  • ornithology - noun the branch of zoology that studies birds

  • ornithopod - noun bipedal herbivorous dinosaur

  • ornithopoda - noun widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)

  • ornithopter - noun heavier-than-air craft that is propelled by the flapping of wings

  • ornithorhynchidae - noun platypus

  • ornithorhynchus - noun type genus of the family Ornithorhynchidae

  • ornithosis - noun an atypical pneumonia caused by a rickettsia microorganism and transmitted to humans from infected birds

  • orobanchaceae - noun brown or yellow leafless herbs; sometimes placed in the order Scrophulariales

  • orogeny - noun the process of mountain formation (especially by the upward displacement of the earth's crust)

  • oroide - noun alloy of copper and tin and zinc; used in imitation gold jewelry

  • orology - noun the science of mountains

  • orontium - noun one species of aquatic plant: golden club

  • oropharyngeal - adj. of or relating to or located near the oropharynx

  • oropharynx - noun cavity formed by the pharynx at the back of the mouth

  • orotund - adj. (of sounds) full and rich; ostentatiously lofty in style

  • orphanhood - noun the condition of being a child without living parents

  • orphrey - noun a richly embroidered edging on an ecclesiastical vestment

  • orpiment - noun a yellow mineral occuring in conjunction with realgar; an ore of arsenic

  • orpine - noun perennial northern temperate plant with toothed leaves and heads of small purplish-white flowers

  • orpington - noun English breed of large chickens with white skin

  • orrery - noun planetarium consisting of an apparatus that illustrates the relative positions and motions of bodies in the solar system by rotation and revolution of balls moved by wheelwork; sometimes incorporated in a clock

  • orris - noun fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines; German iris having large white flowers with lavender-tinged falls and a fragrant rhizome

  • orrisroot - noun fragrant rootstock of various irises especially Florentine iris; used in perfumes and medicines

  • ortalis - noun chachalacas

  • orthodontia - noun the branch of dentistry dealing with the prevention or correction of irregularities of the teeth

  • orthodontics - noun the branch of dentistry dealing with the prevention or correction of irregularities of the teeth

  • orthoepist - noun a practitioner of orthoepy (especially one of the 17th or 18th century scholars who proposed to reform English spelling so it would reflect pronunciation more closely)

  • orthoepy - noun a term formerly used for the part of phonology that dealt with the `correct' pronunciation of words and its relation to `correct' orthography; the way a word or a language is customarily spoken

  • orthogonality - noun the quality of lying or intersecting at right angles; the relation of opposition between things at right angles

  • orthographic - adj. of or relating to or expressed in orthography

  • orthopedical - adj. of or relating to or employed in orthopedics

  • orthopedics - noun the branch of medical science concerned with disorders or deformities of the spine and joints

  • orthopedist - noun a specialist in correcting deformities of the skeletal system (especially in children)

  • orthopnea - noun form of dyspnea in which the person can breathe comfortably only when standing or sitting erect; associated with asthma and emphysema and angina pectoris

  • orthopter - noun heavier-than-air craft that is propelled by the flapping of wings

  • orthoptera - noun grasshoppers and locusts; crickets

  • orthopteran - noun any of various insects having leathery forewings and membranous hind wings and chewing mouthparts

  • orthopteron - noun any of various insects having leathery forewings and membranous hind wings and chewing mouthparts

  • orthoptic - adj. of or relating to normal binocular vision

  • orthoscope - noun an ophthalmoscope with a layer of water to neutralize the refraction of the cornea

  • orthostatic - adj. pertaining to an upright standing posture

  • orthotropous - adj. (of a plant ovule) completely straight with the micropyle at the apex

  • ortolan - noun brownish Old World bunting often eaten as a delicacy

  • ortygan - noun any of several East Indian birds

  • orycteropodidae - noun aardvarks

  • orycteropus - noun coextensive with the family Orycteropodidae

  • oryctolagus - noun Old World rabbits

  • oryx - noun large African antelope with long straight nearly upright horns

  • oryza - noun rice

  • oryzomys - noun rice rats

  • oryzopsis - noun rice grass

  • os - noun a mouth or mouthlike opening; rigid connective tissue that makes up the skeleton of vertebrates; the left eye; (computer science) software that controls the execution of computer programs and may provide various services; a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known

  • osage - noun the Dhegiha dialect spoken by the Osage; a river in Missouri that is a tributary of the Missouri River; a member of the Siouan people formerly living in Missouri in the valleys of the Missouri and Osage rivers; oil was found on Osage lands early in the 20th century

  • oscan - noun an extinct Italic language of ancient southern Italy; an Oscan-speaking member of an ancient people of Campania

  • oscheocele - noun swelling of the scrotum

  • oscillating - adj. having periodic vibrations

  • oscillation - noun (physics) a regular periodic variation in value about a mean; the process of oscillating between states; a single complete execution of a periodically repeated phenomenon

  • oscillator - noun generator that produces sonic oscillations or alternating current

  • oscillatoriaceae - noun blue green algae

  • oscillogram - noun the recording produced by an oscillograph

  • oscillograph - noun a device for making a record of the wave forms of fluctuating voltages or currents

  • oscine - adj. of or relating to the songbirds; noun passerine bird having specialized vocal apparatus

  • oscines - noun two names for the suborder of typical songbirds

  • oscitance - noun an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom; drowsiness and dullness manifested by yawning

  • oscitancy - noun drowsiness and dullness manifested by yawning; an involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom

  • oscitant - adj. showing lack of attention or boredom

  • osculate - verb have at least three points in common with; be intermediate between two taxonomic groups; touch with the lips or press the lips (against someone's mouth or other body part) as an expression of love, greeting, etc.

  • osculation - noun (mathematics) a contact of two curves (or two surfaces) at which they have a common tangent; the act of caressing with the lips (or an instance thereof)

  • osmanli - noun a Turk (especially a Turk who is a member of the tribe of Osman I)

  • osmanthus - noun widely distributed genus of evergreen shrubs or trees of southern United States and Middle East and China and Japan

  • osmeridae - noun smelts

  • osmerus - noun type genus of the Osmeridae

  • osmiridium - noun a hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.

  • osmotically - adv. by means of osmosis

  • osmund - noun any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters

  • osmundaceae - noun large family of ferns widely distributed in temperate and tropical areas

  • ossicle - noun a small bone; especially one in the middle ear

  • ossicular - adj. pertaining to the ossicles in the middle ear

  • ossiculate - adj. pertaining to the ossicles in the middle ear

  • ossiculum - noun a small bone; especially one in the middle ear

  • ossiferous - adj. containing bones (especially fossil bones)

  • ossification - noun hardened conventionality; the developmental process of bone formation; the process of becoming rigidly fixed in a conventional pattern of thought or behavior; the calcification of soft tissue into a bonelike material

  • ossified - adj. changed into bone; hardened by deposits of mineral matter; set in a rigidly conventional pattern of behavior, habits, or beliefs

  • ossuary - noun any receptacle for the burial of human bones

  • ostariophysi - noun in some classifications considered a superorder comprising the Cypriniformes and the Siluriformes

  • osteal - adj. relating to bone or to the skeleton; composed of or containing bone

  • osteichthyes - noun a class of fish having a skeleton composed of bone in addition to cartilage

  • osteitis - noun inflammation of a bone as a consequence of infection or trauma or degeneration

  • ostensibly - adv. from appearances alone

  • ostensive - adj. manifestly demonstrative; represented or appearing as such; pretended

  • ostentate - verb display proudly; act ostentatiously or pretentiously

  • ostentation - noun pretentious or showy or vulgar display; lack of elegance as a consequence of being pompous and puffed up with vanity; a gaudy outward display

  • ostentatiously - adv. in an ostentatious manner

  • ostentatiousness - noun lack of elegance as a consequence of being pompous and puffed up with vanity

  • osteoarthritis - noun chronic breakdown of cartilage in the joints; the most common form of arthritis occurring usually after middle age

  • osteoblast - noun a cell from which bone develops

  • osteoblastoma - noun benign tumor of bone and fibrous tissue; occurs in the vertebrae or femur or tibia or arm bones (especially in young adults)

  • osteochondroma - noun benign tumor containing both bone and cartilage; usually occurs near the end of a long bone

  • osteoclasis - noun treatment of a skeletal deformity by intentionally fracturing a bone

  • osteoclast - noun cell that functions in the breakdown and resorption of bone tissue

  • osteodystrophy - noun defective bone development; usually attributable to renal disease or to disturbances in calcium and phosphorus metabolism

  • osteologer - noun an anatomist who is skilled is osteology

  • osteologist - noun an anatomist who is skilled is osteology

  • osteolysis - noun lysis of bone caused by disease or infection or inadequate blood supply

  • osteoma - noun a slow growing benign tumor of consisting of bone tissue; usually on the skull or mandible

  • osteomalacia - noun abnormal softening of bones caused by deficiencies of phosphorus or calcium or vitamin D

  • osteomyelitis - noun an inflammation of bone and bone marrow (usually caused by bacterial infection)

  • osteopathist - noun a therapist who manipulates the skeleton and muscles

  • osteopetrosis - noun an inherited disorder characterized by an increase in bone density; in severe forms the bone marrow cavity may be obliterated

  • osteophyte - noun small abnormal bony outgrowth

  • osteosarcoma - noun malignant bone tumor; most common in children and young adults where it tends to affect the femur

  • osteosclerosis - noun abnormal hardening or eburnation of bone

  • osteostracan - noun extinct jawless fish of the Devonian with armored head

  • osteostraci - noun extinct group of armored fishlike vertebrates; taxonomy is not clear

  • osteotomy - noun surgical sectioning of bone

  • ostiary - noun someone who guards an entrance; the lowest of the minor Holy Orders in the unreformed Western Church but now suppressed by the Roman Catholic Church

  • ostiole - noun a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass

  • ostler - noun someone employed in a stable to take care of the horses

  • ostraciidae - noun boxfishes

  • ostracize - verb avoid speaking to or dealing with; expel from a community or group

  • ostracoda - noun seed shrimps

  • ostracoderm - noun extinct fishlike jawless vertebrate having a heavily armored body; of the Paleozoic

  • ostracodermi - noun extinct group of armored jawless vertebrates; taxonomy is not clear

  • ostrea - noun type genus of the family Ostreidae

  • ostreidae - noun oysters

  • ostrogoth - noun a member of the eastern group of Goths who created a kingdom in northern Italy around 500 AD

  • ostrya - noun deciduous monoecious trees of Europe and Asia and America; sometimes placed in subfamily or family Carpinaceae

  • ostyak - noun a member of the nomadic Ugrian people living in northwestern Siberia (east of the Urals); a Ugric language (related to Hungarian) spoken by the Ostyak

  • otalgia - noun an ache localized in the middle or inner ear

  • otaria - noun type genus of the Otariidae

  • otariidae - noun eared seals: sea lions and fur seals

  • otherness - noun the quality of being not alike; being distinct or different from that otherwise experienced or known

  • otherworldliness - noun concern with things of the spirit

  • othonna - noun a South African plant of the genus Othonna having smooth often fleshy leaves and heads of yellow flowers

  • otic - adj. of or relating to near the ear

  • otides - noun terrestrial game birds of the Old World and Australia: bustards

  • otididae - noun bustards

  • otitis - noun inflammation of the ear

  • oto - noun a dialect of the Chiwere language spoken by the Oto; a member of the Siouan people inhabiting the valleys of the Platte and Missouri rivers in Nebraska

  • otolaryngologist - noun a specialist in the disorders of the ear or nose or throat

  • otolaryngology - noun the medical specialty that deals with diseases of the ear, nose and throat

  • otologist - noun a physician who specializes in the ear and its diseases

  • otology - noun the branch of medicine concerned with the ear

  • otoplasty - noun reconstructive surgery of the auricle of the external ear

  • otorhinolaryngologist - noun a specialist in the disorders of the ear or nose or throat

  • otorhinolaryngology - noun the medical specialty that deals with diseases of the ear, nose and throat

  • otorrhea - noun discharge from the external ear

  • otosclerosis - noun hereditary disorder in which ossification of the labyrinth of the inner ear causes tinnitus and eventual deafness

  • otoscope - noun medical instrument consisting of a magnifying lens and light; used for examining the external ear (the auditory meatus and especially the tympanic membrane)

  • ottar - noun essential oil or perfume obtained from flowers

  • otterhound - noun hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat; bred for hunting otters

  • otus - noun a genus of Strigidae

  • oubliette(out under bastille lie trapped top entrance) noun a dungeon with the only entrance or exit being a trap door in the ceiling

  • ouija - noun a board with the alphabet on it; used with a planchette to spell out supernatural messages

  • ouranos - noun (Greek mythology) god of the heavens; son and husband of Gaea and father of the Titans in ancient mythology

  • ouster - noun the act of ejecting someone or forcing them out; a wrongful dispossession; a person who ousts or supplants someone else

  • outage - noun a temporary suspension of operation (as of computers); the amount of something (as whiskey or oil) lost in storage or transportation

  • outback - adj. inaccessible and sparsely populated; noun the bush country of the interior of Australia

  • outbalance - verb weigh more heavily

  • outbid - verb bid higher than others; bid over an opponent's bid when one's partner has not bid or doubled

  • outboard - adj. located away from the midline of a vessel or aircraft; noun internal-combustion engine that mounts at stern of small boat; a motorboat with an outboard motor

  • outbound - adj. that is going out or leaving

  • outbrave - verb be braver than; resist bravely

  • outbreak - noun a sudden violent spontaneous occurrence (usually of some undesirable condition)
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