10-letter words containing p, a, r, o
- amyl group — any of several univalent, isomeric groups having the formula C 5 H 11 –, whose derivatives are found in fusel oil, fruit extracts, etc.
- amyotrophy — wasting of muscles, caused by disease of the nerves supplying them
- anamorphic — of, relating to, or caused by anamorphosis or anamorphism
- anastrophe — reversal of the usual order of the parts of a sentence; inversion (Ex.: “Came the dawn”)
- anatropous — (of a plant ovule) inverted during development by a bending of the stalk (funicle) attaching it to the carpel wall
- andropause — the period, usually occurring between the ages of 45 and 55, during which a man's testosterone levels may fall, leading to a reduction in vigour and sexual drive
- androphore — an extension of the receptacle carrying the androecium and the gynoecium, typical of the caper family (Capparidaceae)
- andropogon — (botany) Any member of the grass genus Andropogon.
- androspore — the zoospore of certain algae that develops into a small male plant producing antherozoids.
- anemograph — a self-recording anemometer
- angiograph — The film or image of the blood vessels produced by angiography.
- angiosperm — any seed-bearing plant of the phylum Angiospermophyta (division Angiospermae in traditional systems), in which the ovules are enclosed in an ovary, which develops into the fruit after fertilization; any flowering plant
- anisotropy — Physics. of unequal physical properties along different axes. Compare isotropic (def 1).
- anjou pear — a thick, green, oval-shaped pear that ripens during the winter
- anthophore — an elongation of the receptacle of a flower between the calyx and corolla
- anthropoid — resembling man
- antiphonar — Alternative form of antiphonary.
- antiphoner — An antiphonal.
- antiporter — a membrane protein that transports substances across cell membranes
- antiproton — the antiparticle of the proton; a particle having the same mass as the proton but an equal and opposite charge
- apart from — You use apart from when you are making an exception to a general statement.
- aparthotel — a hotel in which self-catering service apartments are available for rent
- apatosaurs — Plural form of apatosaur.
- aphoristic — of, relating to, or resembling an aphorism
- aphorizing — Present participle of aphorize.
- aphrodisia — the desire for sexual intimacy
- apishamore — A saddle-blanket, a saddle blanket.
- apocarpous — (of the ovaries of flowering plants such as the buttercup) consisting of separate carpels
- apochromat — a lens, consisting of three or more elements of different types of glass, that is designed to bring light of three colours to the same focal point, thus reducing its chromatic aberration
- apocryphal — An apocryphal story is one which is probably not true or did not happen, but which may give a true picture of someone or something.
- apocryphon — something that is regarded as probably untrue
- apologiser — Agent noun of apologise; one who apologises.
- apologizer — to offer an apology or excuse for some fault, insult, failure, or injury: He apologized for accusing her falsely.
- apoprotein — any conjugated protein from which the prosthetic group has been removed, such as apohaemoglobin (the protein of haemoglobin without its haem group)
- aposporous — characterized by apospory
- apostrophe — An apostrophe is the mark ' when it is written to indicate that one or more letters have been left out of a word, as in 'isn't' and 'we'll'. It is also added to nouns to form possessives, as in 'Mike's car'.
- apostrophy — Alternative form of apostrophe.
- apothecary — An apothecary was a person who prepared medicines for people.
- apotropaic — preventing or intended to prevent evil
- apotropous — (of a plant ovule) anatrophous with a ventral raphe
- apparation — (obsolete) A preparation.
- apparition — An apparition is someone you see or think you see but who is not really there as a physical being.
- apple core — the inedible part of an apple which contains the pips
- applicator — An applicator is a device that you use to put something somewhere when you do not want to touch it or do it with your hands.
- appointers — Plural form of appointer.
- appointors — Plural form of appointor.
- apportions — Third-person singular simple present indicative form of apportion.
- approached — to come near or nearer to: The cars slowed down as they approached the intersection.
- approacher — to come near or nearer to: The cars slowed down as they approached the intersection.
- approaches — Plural form of approach.