15-letter words containing r, a, i, s, e, o
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- brachistochrone — the curve between two points through which a body moves under the force of gravity in a shorter time than for any other curve; the path of quickest descent
- branchiostegous — branchiostegal.
- brand extension — the practice of using a well-known brand name to promote new products or services in unrelated fields
- breeding season — the time of year during which animals breed
- bristol channel — an inlet of the Atlantic, between S Wales and SW England, merging into the Severn estuary. Length: about 137 km (85 miles)
- bronchial tubes — the bronchi or their smaller divisions
- bronze diabetes — hemochromatosis.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- buffalo soldier — (formerly, especially among American Indians) a black soldier.
- bulimia nervosa — a disorder characterized by compulsive overeating followed by vomiting: sometimes associated with anxiety about gaining weight
- bureau of mines — a division of the Department of the Interior, created in 1910, that studies the nation's mineral resources and inspects mines.
- caernarvonshire — (until 1974) a county of NW Wales, now part of Gwynedd
- cairngorm-stone — smoky quartz.
- california rose — a cultivated variety of a bindweed, Calystegia hederacea, having showy, double, rose-colored flowers.
- canadian forces — the official name for the military forces of Canada
- canisterization — the process of putting (something) into a canister or canisters
- caprifoliaceous — of, relating to, or belonging to the Caprifoliaceae, a family of N temperate shrubs, small trees, and climbers including honeysuckle, elder, and guelder-rose
- cardinal vowels — a set of theoretical vowel sounds, based on the shape of the mouth needed to articulate them, that can be used to classify the vowel sounds of any speaker in any language
- careers officer — a person trained in giving vocational advice, esp to school leavers
- carnivorousness — flesh-eating: A dog is a carnivorous animal.
- cartesian doubt — willful suspension of all interpretations of experience that are not absolutely certain: used as a method of deriving, by elimination of such uncertainties, axioms upon which to base theories.
- cartier-bresson — Henri (ɑ̃ri). 1908–2004, French photographer
- cast aspersions — If you cast aspersions on someone or something, you suggest that they are not very good in some way.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- castrametations — Plural form of castrametation.
- categoricalness — The quality of being categorical, positive, or absolute.
- categorisations — Plural form of categorisation.
- categorizations — Plural form of categorization.
- catheterisation — Alternative spelling of catheterization.
- chairpersonship — a person who presides over a meeting, committee, board, etc.
- chamois leather — soft cleaning cloth
- charles simonyi — (person) Microsoft programmer, most famously responsible for Hungarian Notation. Simonyi was born in Budapest in 1948, and for more than a decade was senior programmer at Microsoft in Redmond.
- charlottesville — city in central Va.: pop. 45,000
- charm offensive — If you say that someone has launched a charm offensive, you disapprove of the fact that they are being very friendly to their opponents or people who are causing problems for them.
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- choral speaking — recitation of poetry, dramatic pieces, etc. by a chorus of speakers
- chromatic scale — a twelve-note scale including all the semitones of the octave
- chronic disease — long-term illness
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- ciliary process — one of the folds on the ciliary body, connected with the suspensory ligament of the crystalline lens.
- circumforaneous — moving around or abroad; roaming from place to place
- clare of assisi — Saint. 1194–1253, Italian nun; founder of the Franciscan Order of Poor Clares. Feast day: Aug 11
- cleptoparasites — Plural form of cleptoparasite.
- closed interval — an interval on the real line including its end points, as [0, 1], the set of reals between and including 0 and 1
- coast artillery — artillery used for defending coastal areas.
- cocktail shaker — a container in which cocktails are mixed
- combat neurosis — battle fatigue.