12-letter words containing a, r, o, n
- aerification — an act of combining with air.
- aerodonetics — the study of soaring or gliding flight, esp the study of gliders
- aerodynamics — Aerodynamics is the study of the way in which objects move through the air.
- aeromagnetic — of magnetism in the atmosphere
- aeromechanic — an aircraft mechanic
- aeromedicine — the medical treatment of disorders associated with air or space travel
- aeronautical — Aeronautical means involving or relating to the design and construction of aeroplanes.
- aeroneurosis — a functional disorder of aeroplane pilots characterized by anxiety and various psychosomatic disturbances, caused by insufficient oxygen at high altitudes and the emotional tension of flying
- aeroplankton — the tiny plants, animals, and bacteria living and floating in the air
- affine group — the group of all affine transformations of a finite-dimensional vector space.
- affirmations — Plural form of affirmation.
- affrontingly — in an affronting manner
- aforestation — Alternative spelling of afforestation.
- afrikanerdom — (in South Africa) Afrikaner nationalism based on pride in the Afrikaans language and culture, conservative Calvinism, and a sense of heritage as pioneers
- afrocentrism — centered on Africa or on African-derived cultures, as those of Brazil, Cuba, and Haiti: Afrocentric art.
- agent orange — a highly poisonous herbicide used as a spray for defoliation and crop destruction, esp by US forces during the Vietnam War
- aggravations — Plural form of aggravation.
- aggregations — Plural form of aggregation.
- aggrupations — Plural form of aggrupation.
- agranulocyte — a white blood cell without granules in its cytoplasm
- agrobusiness — the businesses collectively associated with the production, processing, and distribution of agricultural products.
- agroindustry — an activity combining agriculture and industry
- aileron roll — a roll consisting of one or more rotations, usually controlled by the use of ailerons.
- air division — an organizational unit smaller than an air force, usually composed of a headquarters and two or more wings
- alcaptonuria — Alternative spelling of alkaptonuria.
- alexanderson — Ernst F. W [urnst] /ɜrnst/ (Show IPA), 1878–1975, U.S. engineer and inventor.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- allegorizing — Present participle of allegorize.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- almond green — a yellowish-green colour
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- alton towers — a 19th-century Gothic Revival mansion with extensive gardens in NW central England, in Staffordshire: site of a large amusement park
- amazon river — a river in N South America, flowing E from the Peruvian Andes through N Brazil to the Atlantic Ocean: the largest river in the world in volume of water carried. 3900 miles (6280 km) long.
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- amenorrhoeic — absence of the menses.
- 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.
- among others — used to indicate that there are several more people like the one or ones mentioned, but that you do not intend to mention them all
- amortisation — Alternative spelling of amortization.
- amortization — the process of amortizing a debt
- amortizement — a sloping top on a buttress, pillar, etc.
- amourousness — Rare spelling of amorousness.
- 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
- anachronical — Not in the correct date order. Chronologically incorrect.
- anachronisms — Plural form of anachronism.
- anachronists — Plural form of anachronist.