12-letter words containing ri
- air purifier — a device which removes pollutants and allergens from the air
- al-khwarizmi — Muhammad ibn Musa al-Khwarizmi
- alcaptonuria — Alternative spelling of alkaptonuria.
- alexandrines — Plural form of alexandrine.
- alexandrinus — the Greek uncial codex, dating from the early 5th century a.d., originally containing the complete text of the Greek Old and New Testaments.
- alieni juris — under the control of another, as a lunatic or infant.
- alkaptonuria — excessive excretion of homogentisic acid in the urine, caused by a hereditary abnormality of the metabolism of tyrosine and phenylalanine.
- 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.
- 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.
- alluringness — The state or quality of being alluring.
- 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
- alto-rilievo — alto-relievo
- 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.
- ambulatories — Plural form of ambulatory.
- ambulatorily — By or in terms of walking.
- 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
- 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.
- amyl nitrite — a yellowish unstable volatile fragrant liquid used in medicine as a vasodilator and in perfumes. Formula: (CH3)2CHCH2CH2NO2
- anchoritical — in the manner of or resembling an anchorite
- androcentric — having or regarding man or the male sex as central or primary
- 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.
- answer print — a motion-picture film print composed of picture and sound, used for evaluation.
- antananarivo — the capital of Madagascar, on the central plateau: founded in the 17th century by a Hova chief; university (1961). Pop: 1 808 000 (2005 est)
- antarthritic — relieving joint inflammation caused by gout
- antemeridian — before noon; in the morning
- anteriorness — The state or quality of being anterior.
- anti-british — opposed to anything characteristic of or relating to Britain
- antiberiberi — Countering beriberi.
- anticlerical — opposed to the power and influence of the clergy, esp in politics
- antifebriles — Plural form of antifebrile.
- antifriction — intended to reduce friction
- antihysteric — acting to counter hysteria
- antimalarial — effective in the treatment of malaria