11-letter words containing o, r, a, t, e
- antichoicer — someone who opposes the granting of pregnant women the choice to have an abortion
- antiforeign — opposed to or discriminating against foreigners or foreign countries
- antiheroine — a central female character in a novel, play, film, etc, who lacks the traditional heroic virtues
- antiheroism — (literature) The quality of being an antihero.
- antihyperon — the antiparticle of the hyperon
- antileprosy — acting against leprosy
- antineutron — the antiparticle of a neutron; a particle having the same mass as the neutron but a magnetic moment of opposite sign
- antipoverty — acting against poverty
- antistrophe — the second of two movements made by a chorus during the performance of a choral ode
- antler moth — a European noctuid moth, Cerapteryx (or Charaeas) graminis, that has white antler-like markings on the forewings and produces larvae that periodically cause great damage to pastures and grasslands
- apertometer — an instrument for measuring the angular and numerical aperture of the objective lens of a microscope.
- apodyterium — the changing room in an ancient Roman bathhouse
- apoferritin — a homogeneous protein, found especially in the intestinal mucosa and the liver, that interacts with a ferric hydroxide-ferric phosphate complex to form ferritin.
- aponeurotic — a whitish, fibrous membrane that connects a muscle to a bone or fascia.
- apoproteins — Plural form of apoprotein.
- apostlebird — an omnivorous bird, Struthidea cinerea, of eastern Australia, that has chiefly dark gray-brown plumage with white tail markings and is noted for its habit of traveling in groups of about 12 related individuals.
- apostrophes — Plural form of apostrophe.
- apportioned — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apportioner — to distribute or allocate proportionally; divide and assign according to some rule of proportional distribution: to apportion expenses among the three men.
- apprecation — (obsolete) Earnest prayer; devout wish.
- appreciator — to be grateful or thankful for: They appreciated his thoughtfulness.
- approacheth — Archaic third-person singular form of approach.
- approbative — showing approbation or approval
- appropriate — Something that is appropriate is suitable or acceptable for a particular situation.
- approvement — (obsolete, Old English law) Improvement of common lands by converting them for advantage of the landlord.
- approximate — An approximate number, time, or position is close to the correct number, time, or position, but is not exact.
- apron stage — a stage that projects into the auditorium so that the audience sit on three sides of it
- araeometric — relating to araeometry
- arbor vitae — any of several Asian and North American evergreen coniferous trees of the genera Thuja and Thujopsis, esp Thuja occidentalis, having tiny scalelike leaves and egglike cones
- arborescent — having the shape or characteristics of a tree
- arborvitaes — Plural form of arborvitae.
- archaeocyte — (in sponges) a type of amoebocyte capable of developing into other types of cells, especially reproductive cells.
- archenteron — the cavity within an embryo at the gastrula stage of development that eventually becomes the digestive cavity
- archeometry — the branch of archaeology that deals with the dating of archaeological specimens through specific techniques, as radiocarbon dating and amino-acid dating.
- archicortex — (anatomy) Part of the allocortex, specifically three layered hippocampal cortexes necessary for hippocampus formation.
- architector — (obsolete) An architect.
- arctic zone — the section of the earth's surface lying between the Arctic Circle and the North Pole.
- areocentric — relating to a reference system which has Mars as its centre
- aristoteles — a walled plain in the first quadrant of the face of the moon: about 60 miles (97 km) in diameter.
- arkeologist — Someone who studies the story of Noah's Ark, particularly by searching for physical evidence which would corroborate it.
- armor plate — a protective covering of specially hardened steel plates, as on a tank
- aroint thee — away! begone!
- arrestation — the slowing or stopping of the development or progress of something
- arrhenotoky — a form of parthenogenesis which produces only male offspring
- ars poetica — the art of poetry
- art college — a college at which students study and make art of various kinds, such as drawing, painting and sculpture
- art nouveau — Art Nouveau is a style of decoration and architecture that was common in the 1890s. It is characterized by flowing lines and patterns of flowers and leaves.
- art of love — Latin Ars Amatoria. a series of poems in three books (1? b.c.) by Ovid.
- arte povera — a style of minimal art originating in Italy in the late 1960s, making use of cheap and commonly available materials such as stones, newspapers etc
- arteriogram — an X-ray of a vein or artery which has been injected with dye in order to diagnose obstruction or damage