11-letter words containing a, e, r, o, p
- 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.
- appressoria — a flattened and thickened tip of a hyphal branch, formed by some parasitic fungi, that facilitates penetration of the host plant.
- approacheth — Archaic third-person singular form of approach.
- approbative — showing approbation or approval
- appropinque — to approach
- 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 piece — (in a staircase) a header receiving the ends of rough strings, carriage pieces, and the joists of landings.
- apron stage — a stage that projects into the auditorium so that the audience sit on three sides of it
- araneomorph — (zoology) Any of the Araneomorphae, a suborder of spiders whose fangs cross with a pinching action.
- archipelago — An archipelago is a group of islands, especially small islands.
- areographic — relating to areography
- armor plate — a protective covering of specially hardened steel plates, as on a tank
- arolla pine — a five-needled pine tree, Pinus cembra, found esp in mountain regions of Central Europe and yielding edible seeds
- ars poetica — the art of poetry
- 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
- arthroscope — a tubular instrument that is inserted into the capsule of a joint to examine the joint, extract tissue, etc
- arthrospore — a sporelike cell of ascomycetous fungi and some algae produced by a breaking of the hyphae
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspersorium — a basin containing holy water with which worshippers sprinkle themselves
- asteropaeus — a Trojan ally slain by Achilles.
- astrosphere — the part of the aster excluding the centrosome
- atmosphered — having an intellectual or psychological climate or feeling
- atmospheres — Plural form of atmosphere.
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- atriopeptin — any of several peptide hormones that are released by the atria of the heart in response to an abnormal increase in blood volume and that modulate blood pressure and the excretion of sodium, potassium, and water. Abbreviation: ANF.
- auto-repeat — a feature of computer keys whereby a character is generated repeatedly as long as the user holds down the key in question
- autographed — Simple past tense and past participle of autograph.
- axerophthol — any form of vitamin A
- azoospermia — absence of spermatozoa in the semen
- backstopper — a wall, wire screen, or the like, serving to prevent a ball from going too far beyond the normal playing area.
- barber pole — a pole with spiral stripes of red and white, used as a symbol of the barber's trade
- barber shop — A barber shop is a shop where a barber works.
- barber-shop — Also called, especially British, barber's shop. the place of business of a barber.
- barbershops — Plural form of barbershop.
- baroceptors — Plural form of baroceptor.
- base period — a neutral period used as a standard for comparison in constructing an index to express a variable factor: 100 is usually taken as the index number for the variable in the base period
- basepersons — Plural form of baseperson.
- bean sprout — Bean sprouts are small, long, thin shoots grown from beans. They are frequently used in Chinese cookery.
- bicorporate — having two bodies
- biographize — to write a biography of (someone)
- black power — a social, economic, and political movement of Black people, esp in the US, to obtain equality with White people
- blastospore — a spore formed by budding, as in certain fungi