12-letter words containing r, i, m
- all-american — If you describe someone as an all-American boy or girl, you mean that they seem to have all the typical qualities that are valued by ordinary Americans, such as good looks and love of their country.
- allegrissimo — (music) A direction in musical notation indicating that the musical piece should be played very fast and lively.
- allomorphism — variation in the crystalline form of a chemical compound
- alphamerical — relating to alphanumeric characters
- alphanumeric — (of a character set, code, or file of data) consisting of alphabetical and numerical symbols
- alstroemeria — any plant of the tuberous perennial liliaceous genus Alstroemeria, originally S American, grown for their brightly coloured orchid-like flowers
- amateurishly — In an amateurish or nonprofessional manner.
- 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.
- ambartsumian — Viktor A(mazaspovich). 1908–96, Armenian astrophysicist, renowned for his description of radio sources as explosions in the core of galaxies
- 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.
- ambisinister — clumsy or unskillful with both hands.
- 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.
- ambulatorily — By or in terms of walking.
- 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
- american elk — elk (def 2).
- american elm — an elm, Ulmus americana, of North America, cultivated for shade and ornament: state tree of Massachusetts, Nebraska, and North Dakota.
- american ivy — a vitaceous woody vine, Parthenocissus quinquefolia, of North America, having tendrils with adhesive tips, bluish-black berry-like fruits, and compound leaves that turn red in autumn: widely planted for ornament
- american rig — a rig for drilling oil and gas wells by using a chisel bit dropped from a considerable height.
- americanisms — a custom, trait, belief, etc., peculiar to the United States of America or its citizens.
- americanized — If someone is Americanized, they do things in a way that is typical of the United States.
- americanness — of or relating to the United States of America or its inhabitants: an American citizen.
- 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.
- 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
- amphibrachic — Consisting of amphibrachs, metrical feet consisting of either a long syllable between two that are short, or an accented syllable between two that are not accented.
- amphicarpous — producing two kinds of fruit that differ either in form or in time of ripening.
- amphiregulin — (protein) A particular autocrine growth factor.
- amphitheater — An amphitheater is a large open area surrounded by rows of seats sloping upward. Amphitheaters were built mainly in Greek and Roman times for the performance of plays.
- amphitheatre — An amphitheatre is a large open area surrounded by rows of seats sloping upwards. Amphitheatres were built mainly in Greek and Roman times for the performance of plays.
- 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.
- amygdaliform — almond-shaped.
- amyl nitrite — a yellowish unstable volatile fragrant liquid used in medicine as a vasodilator and in perfumes. Formula: (CH3)2CHCH2CH2NO2
- anachronisms — Plural form of anachronism.
- anagrammatic — a word, phrase, or sentence formed from another by rearranging its letters: “Angel” is an anagram of “glean.”.
- anamorphosis — an image or drawing distorted in such a way that it becomes recognizable only when viewed in a specified manner or through a special device
- androclinium — clinandrium.
- anemotropism — orientation in response to a current of air.
- aneurysmatic — (medicine) Describing a blood vessel that has an aneurysm; aneurysmal.