12-letter words containing r, e, o, i
- agaricaceous — belonging to the Agaricaceae, a family of fungi including mushrooms having blade-shaped gills on the underside of the cap.
- aggregations — Plural form of aggregation.
- agrobusiness — the businesses collectively associated with the production, processing, and distribution of agricultural products.
- agrochemical — a chemical, such as a pesticide, used for agricultural purposes
- aide-memoire — An aide-memoire is something such as a list that you use to remind you of something.
- aileron roll — a roll consisting of one or more rotations, usually controlled by the use of ailerons.
- ailurophiles — Plural form of ailurophile.
- ailurophobes — Plural form of ailurophobe.
- 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).
- airpocalypse — (informal) The presence of dense smog in many parts of China.
- airport code — a three-letter abbreviation of the names of the world's major airports, used especially as an identifier for routing baggage.
- algesiometer — an instrument for determining the sensitiveness of the skin to a painful stimulus.
- allegoristic — writing or using allegory; interpreting in an allegorical sense.
- allegorizing — Present participle of allegorize.
- allegrissimo — (music) A direction in musical notation indicating that the musical piece should be played very fast and lively.
- alliteration — Alliteration is the use in speech or writing of several words close together which all begin with the same letter or sound.
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers
- altercations — Plural form of altercation.
- alternations — Plural form of alternation.
- alto-relievo — high relief
- alto-rilievo — alto-relievo
- 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.
- ambidextrous — Someone who is ambidextrous can use both their right hand and their left hand equally skilfully.
- ambisextrous — Informal. sexually attracted to both sexes; bisexual. used by or suitable for either sex; unisex: ambisextrous hair styles.
- ambrettolide — a colorless liquid, C 16 H 28 O 2 , having a strong musky odor, used as a fixative in the manufacture of perfume.
- ambulatories — Plural form of ambulatory.
- ameliorating — Present participle of ameliorate.
- amelioration — the act or an instance of ameliorating or the state of being ameliorated
- ameliorative — Able to repair or ameliorate.
- amelioratory — tending to ameliorate
- amenorrhoeic — absence of the menses.
- amentiferous — bearing aments
- amethopterin — (now rare) Methotrexate.
- amor patriae — love of one's country; patriotism
- amortizement — a sloping top on a buttress, pillar, etc.
- amperometric — relating to or involving the measurement of an electric current
- amphotericin — an amphoteric antibiotic produced by the bacterium Streptomyces nodosus and used in the treatment of fungal infections.
- anaerobiosis — life in the absence of oxygen
- anaerobiotic — anaerobic
- androcentric — having or regarding man or the male sex as central or primary
- 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.
- 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.
- animal lover — a person who feels fondness for animals
- 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.
- anorexigenic — causing loss of appetite