Showing 2,001 to 2,100 of 3,038.
- ORCHISAn orchid; now specifically, a plant of the genus Orchis.
- ORCHITISA painful inflammation of one or both testes.
- OREADA mountain nymph; an anthropomorphic appearance of the spirit of a mountain.
- OREGANOA herb of the mint family, Origanum vulgare, having aromatic leaves.
- OREXINEither of two neuropeptide hormones found in vertebrates; the two are orexin-A and orexin-B.
- OREXISThe affective and conative character of mental activity as contrasted with its cognitive aspect; the appetitive aspect of an act; desire, appetite.
- ORGANOLEPTICOf or pertaining to the sensory properties of a particular food or chemical, the taste, colour, odour, and feel.
- ORGANUMA type of medieval polyphony which builds upon an existing plainsong.
- ORGASMA spasm or sudden contraction.
- ORGASMICOf or relating to orgasms.
- ORGIASTOne who attends an orgy.
- ORGIASTICRelating to an orgy; uncontrolled, wild.
- OROGENYThe process of mountain building by the upward folding of the Earth's crust.
- OROIDEAn alloy of copper and zinc or tin that has a gold color, used in making inexpensive jewelry.
- ORTHIANDenoting a type of singing at a very high pitch.
- ORTHOPEDIAThe branch of medicine which deals with the prevention and correction of deformities in bodies; orthopedics.
- ORTHOPEDIASThe branch of medicine which deals with the prevention and correction of deformities in bodies; orthopedics.
- ORTHOPEDICSThe branch of medicine that deals with the prevention or correction of disorders of the bones and associated muscles and joints.
- ORYXAny of several antelopes, of the genus Oryx, native to Africa, which have long, straight horns
- OSCHEALPertaining to the scrotum.
- OSTENSIBLEApparent, evident; meant for open display.
- OSTEONAny of the central canals, and surrounding bony layers, found in compact bone.
- OSTRACODAny of many small crustaceans, of the class Ostracoda, that resemble a shrimp enclosed in a bivalve shell.
- OSTRACONA piece of pottery or stone, usually broken off from a vase or other earthenware vessel, especially one used to cast a vote during the Ancient Greek process of ostracism.
- OSTRICHA large flightless bird of the order Struthioniformes. The most widespread species of that order, known as the common ostrich (Struthio camelus).
- OTALGIAearache
- OTARYSynonym of eared seal.
- OTICOf, relating/pertaining to, or located near the ear.
- OTOLITHA small particle, composed mainly of calcium carbonate, found in the inner ear of vertebrates, being part of the balance sense.
- OUZOAn anise-flavoured aperitif, originating in Greece.
- OXTONGUEBeef tongue (a foodstuff).
- OXYGENThe chemical element (symbol O) with an atomic number of 8 and relative atomic mass of 15.9994. It is a colorless and odorless gas. Sometimes called elemental oxygen to distinguish
- OXYMELA mixture of honey, water, and vinegar, boiled to a syrup, sometimes mixed with herbs or spices.
- OXYNTICProducing acid.
- OXYTOCINA hormone that stimulates contractions during labor, and then the production of milk; also plays a role in social bonding.
- OXYTONEHaving the stress on the last syllable.
- OYSTERAny of certain marine bivalve mollusks, especially those of the family Ostreidae (the true oysters), usually found adhering to rocks or other fixed objects in shallow water along t
- OYSTERINGSAny of certain marine bivalve mollusks, especially those of the family Ostreidae (the true oysters), usually found adhering to rocks or other fixed objects in shallow water along t
- OZONEAn allotrope of oxygen (symbol O₃) having three atoms in the molecule instead of the usual two; it is a toxic gas, generated from oxygen by electrical discharge.
- PAGANRelating to, characteristic of religions that differ from main world religions.
- PAIDEUTICSThe science or art of teaching.
- PALINDROMEA word, phrase, number or any other sequence of units which has the property of reading the same forwards as it does backwards, character for character, sometimes disregarding punc
- PALINODEAn ode or other poem in which the author retracts something said in an earlier poem; a recantation.
- PALLADIUMA safeguard.
- PALSIERComplete or partial muscle paralysis of a body part, often accompanied by a loss of feeling and uncontrolled body movements such as shaking.
- PALSYComplete or partial muscle paralysis of a body part, often accompanied by a loss of feeling and uncontrolled body movements such as shaking.
- PANCREASA gland near the stomach which secretes a fluid into the duodenum to assist with food digestion.
- PANDARA person who furthers the illicit love affairs of others; a pimp or procurer, especially when male.
- PANDERA person who furthers the illicit love-affairs of others; a pimp or procurer.
- PANDURAAn Ancient Greek stringed instrument, a kind of lute with three strings that were stopped with a fingerboard to alter the tone, and with either a mandolin- or banjo-like shape.
- PANEGYRICA formal speech publicly praising someone or something.
- PANICAlternative letter-case form of Panic (“pertaining to the Greek god Pan”).
- PANICLEA compound raceme.
- PANMIXIAA situation in which an individual is just as likely to mate with a randomly chosen individual as any other in the population.
- PANMIXIASA situation in which an individual is just as likely to mate with a randomly chosen individual as any other in the population.
- PANMIXISPanmixia.
- PANOPLYA splendid display of something.
- PANTA quick breathing; a catching of the breath; a gasp: the panting of animals such as a dog with their tong hung out- as a form of thermoregulation.
- PANTHERAny of various big cats with black fur; most especially, the black-coated leopard of Africa and Asia.
- PAPERA sheet material typically used for writing on or printing on (or as a non-waterproof container), usually made by draining cellulose fibres from a suspension in water.
- PAPYRUSA plant (Cyperus papyrus) in the sedge family, native to the Nile river valley, paper reed.
- PARABLEA short narrative illustrating a lesson (usually religious/moral) by comparison or analogy.
- PARABOLEObsolete spelling of parable.
- PARABOLICOf, or pertaining to, or in the shape of a parabola or paraboloid.
- PARACMEA point beyond the highest or greatest.
- PARADIGMA pattern, a way of doing something; especially a pattern of thought, a system of beliefs, a conceptual framework.
- PARADIGMATICOf or pertaining to a paradigm.
- PARADISEThe place where sanctified souls are believed to live after death.
- PARADOXAn apparently self-contradictory statement, which can only be true if it is false, and vice versa.
- PARAGRAMA play on words; a pun.
- PARALOGISMA fallacious argument or illogical conclusion, especially one committed by mistake, or believed by the speaker to be logical.
- PARALYTICSomeone suffering from paralysis.
- PARAMESEIn Ancient Greek musical theory, the lowest-pitched fixed note in the farther tetrachord on a lyre, always pitched a perfect fourth below the nete, with two movable notes between t
- PARAPHA flourish made after or below one's signature, originally to prevent forgery.
- PARASITEAn organism that lives on or in another organism of a different species, deriving benefit from living on or in that other organism, while not contributing towards that other organi
- PARASTICHYA secondary spiral of leaves or florets.
- PARCHMENTMaterial, made from the polished skin of a calf, sheep, goat or other animal, used like paper for writing.
- PARDALOTEAny of the Australian birds of the genus Pardalotus, which feed on lerps.
- PAREIDOLIAThe tendency to interpret a vague stimulus as something known to the observer, such as interpreting marks on Mars as canals, seeing shapes in clouds, or hearing hidden messages in
- PARENCHYMAThe functional tissue of an organ as distinguished from the connective and supporting tissue.
- PARHELIONSynonym of sun dog (“a bright spot in the sky, usually one of two on the parhelic circle on both sides of the sun (or occasionally above and below it), caused by the refraction of
- PARHYPATEIn Ancient Greek musical theory, the lower-pitched of the two movable notes in the nearer tetrachord on a lyre, pitched lower than the lichanos and higher than the hypate.
- PARISHAn administrative part of a diocese that has its own church.
- PARLEYA conference, especially one between enemies.
- PAROCHIALPertaining to a parish.
- PARODOSA side entrance to an Ancient Greek theater, affording access to the stage or orchestra.
- PARODYA work or performance that imitates another work or performance with ridicule or irony.
- PAROECIOUSHaving the male and female reproductive organs growing beside or near each other, as in certain cryptogams.
- PAROEMIAA proverb.
- PAROLWord of mouth.
- PAROLEOriginally, one's oath or word of honour, given as a condition of release from custody; now specifically, describing the release of a former prisoner under certain conditions, espe
- PARONYMA word derived from the same root or stem as another word; classes include cognates and naturalizations of foreign words.
- PAROUSIAThe second coming of Christ.
- PAROXYTONEHaving the stress or accent on the penultimate syllable.
- PAROXYTONICOf or relating to words whose stress falls on the penultimate syllable
- PARSLEYA bright green, biennial herb, Petroselinum crispum, having many cultivars.
- PARVISAn enclosed courtyard in front of a building, especially a cathedral.
- PASTADough made from wheat and water and sometimes mixed with egg and formed into various shapes; often sold in dried form and typically boiled for eating.
- PASTEA soft moist mixture, in particular: One of flour, fat, or similar ingredients used in making pastry. Pastry. One of pounded foods, such as fish paste, liver paste, or tomato paste
- PASTELAny of several subdued tints of colors, usually associated with pink, peach, yellow, green, blue, and lavender.