12-letter words containing i, n, t, r
- aggravations — Plural form of aggravation.
- aggregations — Plural form of aggregation.
- aggrievement — the state of being aggrieved
- aggrupations — Plural form of aggrupation.
- agroindustry — an activity combining agriculture and industry
- air ministry — (in England) the department of government administering all civil and military matters concerning aviation.
- air terminal — An air terminal is a building in which passengers wait before they get on to an aeroplane.
- aircraftsman — a person holding the rank of noncommissioned officer in the RAF.
- airtightness — the quality of being airtight
- alcaptonuria — Alternative spelling of alkaptonuria.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- alternatives — a choice limited to one of two or more possibilities, as of things, propositions, or courses of action, the selection of which precludes any other possibility: You have the alternative of riding or walking.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- ambisinister — clumsy or unskillful with both hands.
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- 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.
- amortisation — Alternative spelling of amortization.
- amortization — the process of amortizing a debt
- amortizement — a sloping top on a buttress, pillar, etc.
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- amyl nitrite — a yellowish unstable volatile fragrant liquid used in medicine as a vasodilator and in perfumes. Formula: (CH3)2CHCH2CH2NO2
- an iron fist — a cruel and unyielding attitude or approach
- anacatharsis — severe vomiting
- anacathartic — causing anacatharsis
- anachronists — Plural form of anachronist.
- anaerobiotic — anaerobic
- anagrammatic — a word, phrase, or sentence formed from another by rearranging its letters: “Angel” is an anagram of “glean.”.
- 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
- androcentric — having or regarding man or the male sex as central or primary
- androgenetic — related to androgenesis
- anemotropism — orientation in response to a current of air.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.
- angelo patri — Angelo [an-juh-loh] /ˈæn dʒəˌloʊ/ (Show IPA), 1877–1965, U.S. educator and writer, born in Italy.
- angst-ridden — characterized by a feeling of dread or anxiety
- angularities — Plural form of angularity.
- animadverted — Simple past tense and past participle of animadvert.
- animadverter — a person who expresses his or her opinion without fear of criticism or rebuke
- animatronics — a branch of film and theatre technology that combines traditional puppetry techniques with electronics to create lifelike animated effects
- 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
- annihilatory — Causing annihilation.
- annuity rate — An annuity rate is used to calculate the amount of income that will be paid, following investment of a lump sum in an annuity.