12-letter words containing a, b
- abstractions — Plural form of abstraction.
- abstractness — the quality of being abstract as opposed to concrete
- abstruseness — hard to understand; recondite; esoteric: abstruse theories.
- abu al-qāsim — (L. name Albucasis) 936?-1013?; Arab surgeon & medical encyclopedist, in Spain
- abyssal zone — the ecological zone along the deep ocean floor between the bathyal and hadal zones
- accommodable — having the ability to be accommodated
- account book — a booklet in which all the transactions that take place in a bank account or a company's accounts are recorded
- accreditable — having the ability to be accredited
- acetone body — ketone body
- achluophobia — The fear of darkness.
- actabilities — Plural form of actability.
- ad arbitrium — at pleasure; at will.
- adam osborne — (person) The ex-book publisher who founded Osborne Computer Corporation.
- adaptability — capable of being adapted.
- addlebrained — having an addle brain; muddled; stupid
- address book — An address book is a book in which you write people's names and addresses.
- admirability — the quality of being admirable
- adoptability — the quality or extent of being adoptable
- adorableness — very attractive or delightful; charming: What an adorable hat!
- adverb group — An adverb group or adverbial group is a group of words based on an adverb, such as 'very slowly' or 'fortunately for us'. An adverb group can also consist simply of an adverb.
- adverbialize — to make (a word) into an adverb
- advertisable — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- advisability — proper to be suggested or recommended; desirable or wise, as a course of action: Is it advisable for me to write to him?
- aelurophobia — ailurophobia.
- aeroembolism — an embolism of air bubbles often caused by surgery, induced abortion, or decompression sickness
- aerosol bomb — a metal receptacle, containing an inert gas under pressure, that sprays an insecticide, disinfectant, or the like when the gas is released by opening a valve.
- afforestable — having the capacity to be turned into forest
- afro-british — of or relating to British people of African descent
- afterburners — Plural form of afterburner.
- afterburning — a process in which additional fuel is ignited in the exhaust gases of a jet engine to produce additional thrust
- agglutinable — Able to be agglutinated; that readily undergoes agglutination.
- agreeability — an agreeable disposition
- agribusiness — Agribusiness is the various businesses that produce, sell, and distribute farm products, especially on a large scale.
- agrobusiness — the businesses collectively associated with the production, processing, and distribution of agricultural products.
- aichmophobia — the fear of pointed objects, esp needles, pins, etc
- aid climbing — climbing that employs mechanical devices (aids) to accomplish difficult manoeuvres (artificial moves)
- ailurophobes — Plural form of ailurophobe.
- ailurophobia — an abnormal fear of cats
- ailurophobic — relating to ailurophobia
- air embolism — the presence in the tissues and blood of a gas, such as air or nitrogen bubbles, caused by an injection of air or, in the case of nitrogen, by an abrupt and substantial reduction in the ambient pressure
- air observer — observer (def 3).
- air-breather — an aircraft, missile, or submarine engine that requires air from the atmosphere for the combustion of its fuel.
- air-sea base — a centre from which military aircraft and naval vessels operate
- airbrush out — to remove evidence of (someone or something from photographs, books, or history)
- albert canal — ship canal in Belgium, from Liège to Antwerp: 81 mi (131 km)
- albert speer — Albert [al-bert;; German ahl-bert] /ˈæl bərt;; German ˈɑl bɛrt/ (Show IPA), 1905–81, German Nazi leader: appointed by Hitler as official Nazi architect.
- alberti bass — a reiterated broken-chord figure used as an accompaniment, especially in 18th-century rococo keyboard music.
- albumenizing — Present participle of albumenize.
- albuminoidal — (chemistry) Of the nature of an albuminoid.
- aldebaranium — (chemistry, obsolete) A rejected name for ytterbium.