12-letter words containing a, t, i, o
- amenhotep iv — died 1357? b.c, king of Egypt 1375?–1357?: reformer of ancient Egyptian religion (son of Amenhotep III).
- amentiferous — bearing aments
- amethopterin — (now rare) Methotrexate.
- aminobutyric — (organic chemistry) Of or pertaining to any of several isomeric univalent radicals in which a hydrogen atom of a butyric radical is replaced by an amino group.
- aminomethane — (organic compound, often in combination) methylamine (or a derivative of it).
- amitotically — the direct method of cell division, characterized by simple cleavage of the nucleus without the formation of chromosomes.
- amniotic sac — membrane around embryo or foetus
- amor patriae — love of one's country; patriotism
- amortisation — Alternative spelling of amortization.
- amortization — the process of amortizing a debt
- amortizement — a sloping top on a buttress, pillar, etc.
- amperometric — relating to or involving the measurement of an electric current
- amphibolitic — Of, pertaining to, or composed of an amphibolite.
- amphictyonic — of or relating to an amphictyon or an amphictyony.
- amphistomous — (of certain animals, such as leeches) having a sucker at either end of the body
- amphitropous — (of a plant ovule) partially inverted so that the base and the micropyle at the apex are the same distance from the funicle
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- an iron fist — a cruel and unyielding attitude or approach
- anachronists — Plural form of anachronist.
- anaerobiotic — anaerobic
- analyzations — Plural form of analyzation.
- anapodeictic — (rare, rhetoric) not able to be shown or proved by argument; undemonstrable.
- anastomosing — Present participle of anastomose.
- anatomically — of or relating to anatomy.
- anchor light — a 32-point light, visible from at least two miles away, shown at night near the bow and not more than 20 feet (6 meters) above the deck of a vessel lying at anchor.
- anchoritical — in the manner of or resembling an anchorite
- 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
- androcentric — having or regarding man or the male sex as central or primary
- androgenetic — related to androgenesis
- anecdotalism — an inclination to relate anecdotes
- anemotropism — orientation in response to a current of air.
- angelo patri — Angelo [an-juh-loh] /ˈæn dʒəˌloʊ/ (Show IPA), 1877–1965, U.S. educator and writer, born in Italy.
- angelologist — a person who studies angelology
- angiopathies — Plural form of angiopathy.
- angiostomous — having a narrow opening
- angiotensins — Plural form of angiotensin.
- anglo-celtic — of or relating to an inhabitant of Australia who was or whose ancestors were born in the British Isles
- 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.
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- anisocytosis — (medicine) Significant size variation of blood cells.
- anisothermal — (thermodynamics) Of or pertaining to a system that is not in thermal equilibrium, that does not have a single fixed temperature.
- anisotropies — Plural form of anisotropy.
- anisotropism — the state of being anisotropic
- annexational — Of or pertaining to annexation.
- annihilation — the act of annihilating
- annihilatory — Causing annihilation.
- annuity bond — a fixed-rate bond that pays out the same amount of cash every year over its lifetime
- annunciation — In Christianity, the Annunciation was the announcement by the Archangel Gabriel to the Virgin Mary that she was going to give birth to the son of God.
- annunciators — Plural form of annunciator.