11-letter words containing a, i, r, p
- archpriests — Plural form of archpriest.
- arctophilia — the practice of collecting teddy bears
- areographic — relating to areography
- arkadelphia — a city in central Arkansas.
- arolla pine — a five-needled pine tree, Pinus cembra, found esp in mountain regions of Central Europe and yielding edible seeds
- arpeggiated — having arpeggios
- ars poetica — the art of poetry
- arsonphobia — Pyrophobia.
- artisanship — the occupation or product of a craftsperson or artisan
- artophorion — pyx (def 1a).
- ascriptions — Plural form of ascription.
- asperations — Plural form of asperation.
- aspergation — the action of sprinkling, suffusing or irrigating with water
- aspergillum — a brush or perforated container for sprinkling holy water
- aspergillus — any ascomycetous fungus of the genus Aspergillus, having chains of conidia attached like bristles to a club-shaped stalk: family Aspergillaceae
- aspersorium — a basin containing holy water with which worshippers sprinkle themselves
- aspheterise — to deny the right of private property
- aspheterism — the teaching that all property should be in common ownership and no individual should benefit from personal possession
- aspheterize — to observe or engage in aspheterism
- asphyxiator — to produce asphyxia in.
- aspidistras — Plural form of aspidistra.
- aspirations — a strong desire, longing, or aim; ambition: intellectual aspirations.
- asportation — the removal or taking away of something
- astraphobia — a fear of thunder and lightning
- astrophobia — A fear of stars and celestial space.
- athwartship — having a position across a vessel from side to side at right angles to the keel
- 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.
- attempering — Present participle of attemper.
- auditorship — the position or function of auditor
- autographic — of, for, or like an autograph or autographs
- automorphic — shaped and designed after oneself
- 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
- azido group — the univalent group N 3 −, derived from hydrazoic acid.
- azoospermia — absence of spermatozoa in the semen
- bankrupting — Present participle of bankrupt.
- baptistries — Plural form of baptistry.
- bar-hopping — Informal. to go to a succession of bars or nightclubs, with a brief stay at each.
- barge spike — a square spike with a chisel point.
- 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
- batter pile — a pile driven at an angle to the vertical.
- bearing cap — A bearing cap is a rigid, semi-circular part that fits around one half of a bearing and secures it.
- bi-partisan — representing, characterized by, or including members from two parties or factions: Government leaders hope to achieve a bipartisan foreign policy.
- bible paper — a thin tough opaque paper used for Bibles, prayer books, and reference books
- bibliograph — to put in a bibliography.
- bicorporate — having two bodies