15-letter words containing t, o, a, s, m, i
- bituminous coal — a soft black coal, rich in volatile hydrocarbons, that burns with a smoky yellow flame. Fixed carbon content: 46–86 per cent; calorific value: 1.93 × 107 – 3.63 × 107 J/kg
- black mountains — a mountain range running from N Monmouthshire and SE Powys (Wales) to SW Herefordshire (England). Highest peak: Waun Fach, 811 m (2660 ft)
- bohemian forest — a mountain range between the SW Czech Republic and SE Germany. Highest peak: Arber, 1457 m (4780 ft)
- boston marriage — (especially in 19th-century New England) an intimate friendship between two women often maintaining a household together.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- cairngorm-stone — smoky quartz.
- capitulationism — advocacy or approval of capitulation.
- casement-window — a window sash opening on hinges that are generally attached to the upright side of its frame.
- castanospermine — a substance obtained from the Australian chestnut or black bean tree
- castrametations — Plural form of castrametation.
- chamois leather — soft cleaning cloth
- chemopsychiatry — the study and application of chemical substances in psychiatry
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- christmas carol — a joyful hymn or religious song, celebrating the birth of Christ
- chromatic scale — a twelve-note scale including all the semitones of the octave
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- cleistogamously — in a cleistogamous manner
- coast mountains — a mountain range in Canada, on the Pacific coast of British Columbia. Highest peak: Mount Waddington, 4043 m (13 266 ft)
- combat fatigues — the uniform worn by soldiers when fighting
- combat neurosis — battle fatigue.
- come up against — If you come up against a problem or difficulty, you are faced with it and have to deal with it.
- comfort station — a public lavatory and rest room
- commiseratingly — in a manner expressing commiseration
- committee stage — (in British parliamentary procedure) the detailed examination by MPs of proposed legislation
- common disaster — the death of an insured party and a beneficiary occurring at the same time in the same accident.
- communist china — China, People's Republic of.
- communist party — (in non-Communist countries) a political party advocating Communism
- communistically — In a communistic manner.
- comparativeness — of or relating to comparison.
- comparison test — a comparison of particular qualities or traits in two or more things in order to get a measurable assessment
- compassionately — having or showing compassion: a compassionate person; a compassionate letter.
- compassionating — Present participle of compassionate.
- compatibilities — capable of existing or living together in harmony: the most compatible married couple I know.
- complementaries — forming a complement; completing.
- complicatedness — composed of elaborately interconnected parts; complex: complicated apparatus for measuring brain functions.
- complimentaries — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- compositionally — in a compositional manner
- compotationship — the state of being a compotator or drinking companion
- computerisation — (chiefly, British) alternative spelling of computerization.
- conglomerations — Plural form of conglomeration.
- conservationism — A movement that supports conservation, especially that of natural resources.
- consumption tax — a tax, as a sales tax, levied on consumer goods or services at the time of sale.
- contrast medium — a radiopaque substance, such as barium sulphate, used to increase the contrast of an image in radiography
- conventionalism — advocacy of or conformity to that which is established
- conversationism — a colloquialism
- corpus striatum — a striped mass of white and grey matter situated in front of the thalamus in each cerebral hemisphere
- cosmopolitanism — free from local, provincial, or national ideas, prejudices, or attachments; at home all over the world.
- cosmopolitanize — to make cosmopolitan.