11-letter words containing a, p, o, i
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspersorium — a basin containing holy water with which worshippers sprinkle themselves
- asphyxiator — to produce asphyxia in.
- aspirations — a strong desire, longing, or aim; ambition: intellectual aspirations.
- asportation — the removal or taking away of something
- assumptions — something taken for granted; a supposition: a correct assumption. Synonyms: presupposition; hypothesis, conjecture, guess, postulate, theory.
- astraphobia — a fear of thunder and lightning
- astrophobia — A fear of stars and celestial space.
- at gunpoint — If you are held at gunpoint, someone is threatening to shoot and kill you if you do not obey them.
- atelophobia — The fear of imperfection or not being good enough.
- atheophobia — Fear or hatred of atheism or atheists.
- atmospheric — Atmospheric is used to describe something which relates to the Earth's atmosphere.
- atomic pile — nuclear reactor
- 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.
- attophysics — the physics of structures and artefacts with dimensions in the attometre range or of devices, such as lasers, capable of producing pulses with a duration measured in attoseconds
- audiophiles — Plural form of audiophile.
- audiotypist — a typist trained to type from a dictating machine
- auditorship — the position or function of auditor
- autographic — of, for, or like an autograph or autographs
- automorphic — shaped and designed after oneself
- autoplastic — Of or pertaining to autoplasty.
- autopoiesis — Self creation; self organization.
- autopotamic — (of an organism) living or growing only in flowing freshwater streams.
- autotrophic — (of organisms such as green plants) capable of manufacturing complex organic nutritive compounds from simple inorganic sources such as carbon dioxide, water, and nitrates, using energy from the sun
- auxotrophic — designating or of a mutant organism requiring more nutritional substances than its prototrophic parent because it has lost the ability to make a certain enzyme
- avoirdupois — a system of weights used in many English-speaking countries. It is based on the pound, which contains 16 ounces or 7000 grains. 100 pounds (US) or 112 pounds (Brit) is equal to 1 hundredweight and 20 hundredweights equals 1 ton
- axanthopsia — a defect of vision in which the retina fails to respond to yellow.
- azido group — the univalent group N 3 −, derived from hydrazoic acid.
- azoospermia — absence of spermatozoa in the semen
- bar-hopping — Informal. to go to a succession of bars or nightclubs, with a brief stay at each.
- barographic — Measured using a barograph.
- 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
- basidiocarp — the fruiting body of basidiomycetous fungi; the mushroom of agarics
- basis point — In finance, a basis point is one hundredth of a per cent (.01%).
- bathophobia — the fear of depths of any kind, whether a fear of deep water or of falling from a great height
- bay of pigs — a bay on the SW coast of Cuba: scene of an unsuccessful invasion of Cuba by US-backed troops (April 17, 1961)
- beneplacito — an indication of approval
- bibliograph — to put in a bibliography.
- bibliophage — an ardent reader; a bookworm.
- bicephalous — having two heads
- bicorporate — having two bodies
- biographize — to write a biography of (someone)
- biophysical — the branch of biology that applies the methods of physics to the study of biological structures and processes.
- bipartition — divided into or consisting of two parts.
- bitmap font — a font format in which letters and symbols are stored as a pattern of dots
- boatmanship — boatsmanship.
- boilerplate — A boilerplate is a basic written contract that can be used to make many different kinds of contracts.
- bon appetit — enjoy your meal
- bonapartism — a political system resembling the rules of the Bonapartes, esp Napoleon I and Napoleon III: centralized government by a military dictator, who enjoys popular support given expression in plebiscites
- bonapartist — an adherent of the Bonapartes or their policies.