12-letter words containing a, d, i, o
- afrikanerdom — (in South Africa) Afrikaner nationalism based on pride in the Afrikaans language and culture, conservative Calvinism, and a sense of heritage as pioneers
- agathodaimon — a spirit of good fortune, associated with the serpent
- agriproducts — Plural form of agriproduct.
- agroindustry — an activity combining agriculture and industry
- aide-memoire — An aide-memoire is something such as a list that you use to remind you of something.
- air corridor — an air route along which aircraft are allowed to fly
- air division — an organizational unit smaller than an air force, usually composed of a headquarters and two or more wings
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- albuminoidal — (chemistry) Of the nature of an albuminoid.
- aldolization — the conversion of an aldehyde to aldol
- all kinds of — You can use all kinds of to emphasize that there are a great number and variety of particular things or people.
- alloantibody — an antibody that reacts with an antigen from a genetically different individual of the same species.
- alongside of — at the side of; beside; adjoining
- altitudinous — pertaining to altitude or height
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- amboina wood — the hard, heavy wood of a tree, Pterocarpus indicus, of southern Asia, having a curly or mottled grain.
- ambrettolide — a colorless liquid, C 16 H 28 O 2 , having a strong musky odor, used as a fixative in the manufacture of perfume.
- amphidiploid — a plant originating from hybridization between two species in which the chromosome number is the sum of the chromosome numbers of both parental species. It behaves as an independent species
- amygdaliform — almond-shaped.
- amygdaloidal — (of a volcanic rock) containing amygdales
- an open mind — If you have an open mind, you avoid forming an opinion or making a decision until you know all the facts.
- anaphrodisia — diminished sexual desire.
- anapodeictic — (rare, rhetoric) not able to be shown or proved by argument; undemonstrable.
- and counting — If you say and counting after a number or an amount of something, you mean that the number or amount is continuing to increase.
- andouillette — a French sausage made from pig intestines, smaller than an andouille
- andragogical — the methods or techniques used to teach adults: Many educators believe that the principles of andragogy, as advanced by Malcolm Knowles, have great relevance to adult education; others are not so certain.
- androcentric — having or regarding man or the male sex as central or primary
- androclinium — clinandrium.
- androgenesis — a type of reproduction in insects and plants involving the development of an embryo that contains only paternal chromosomes
- androgenetic — related to androgenesis
- androgenized — Simple past tense and past participle of androgenize.
- androscoggin — a river flowing from NE New Hampshire through SW Maine into the Kennebec River. 171 miles (275 km) long.
- anecdotalism — an inclination to relate anecdotes
- angle of dip — to plunge (something, as a cloth or sponge) temporarily into a liquid, so as to moisten it, dye it, or cause it to take up some of the liquid: He dipped the brush into the paint bucket.
- anglo-indian — An Anglo-Indian person is someone whose family is partly British and partly Indian.
- animated oat — an oat, Avena sterilis, of the Mediterranean region, having spikelets that twist or move when exposed to sudden moisture, due to the hygroscopic action of the awns.
- annuity bond — a fixed-rate bond that pays out the same amount of cash every year over its lifetime
- antherozooid — Alternative form of antherozoid.
- anthologised — Simple past tense and past participle of anthologise.
- anthologized — to compile an anthology.
- anthropodicy — An attempt, or argument attempting, to justify the existence of humanity as good (contrast theodicy).
- anthropoidal — Anthropoid.
- antiandrogen — (steroid, pharmacology) Any substance that inhibits the release or the biological effects of an androgen.
- antiantibody — antibody that combines with another antibody.
- anticathodes — Plural form of anticathode.
- antideuteron — the antimatter counterpart to the deuteron.
- antidilution — (of a provision or protection) acting to prevent a company from issuing equity at a low valuation
- antidogmatic — opposed to dogma
- antihydrogen — hydrogen in which the nucleus is an antiproton with an orbiting positron
- antioxidants — Plural form of antioxidant.