15-letter words containing s, e, n, i, m
- be of two minds — to be undecided or irresolute
- bear comparison — to be sufficiently similar in class or range to be compared with (something else), esp favourably
- bide one's time — to wait patiently for an opportunity
- billings method — a natural method of birth control that involves examining the colour and viscosity of the cervical mucus to discover when ovulation is occurring
- binomial series — an infinite series obtained by expanding a binomial raised to a power that is not a positive integer.
- bioluminescence — the production of light by living organisms as a result of the oxidation of a light-producing substance (luciferin) by the enzyme luciferase: occurs in many marine organisms, insects such as the firefly, etc
- blow one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- body mass index — A person's body mass index is a measurement that represents the relationship between their weight and their height.
- 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
- buckinghamshire — a county in SE central England, containing the Vale of Aylesbury and parts of the Chiltern Hills: the geographic and ceremonial county includes Milton Keynes, which became an independent unitary authority in 1997. Administrative centre: Aylesbury. Pop (excluding Milton Keynes): 478 000 (2003 est). Area (excluding Milton Keynes): 1568 sq km (605 sq miles)
- 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.
- cactus geranium — a plant, Pelargonium echinatum, of the geranium family, native to southern Africa, having prickly stipules and white or reddish flowers.
- cairngorm-stone — smoky quartz.
- cardinal system — a system of coding navigational aids by shape, color, and number, according to their positions relative to navigational hazards.
- carmarthenshire — a county of S Wales, formerly part of Dyfed (1974–96): on Carmarthen Bay, with the Cambrian Mountains in the N: generally agricultural (esp dairying). Administrative centre: Carmarthen. Pop: 176 000 (2003 est). Area: 2398 sq km (926 sq miles)
- 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.
- centrosymmetric — having symmetry with a central point
- ceremoniousness — The state of being ceremonious.
- 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.
- 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.
- chef de mission — the head of a diplomatic body
- chemosterilants — Plural form of chemosterilant.
- chemotaxonomist — a specialist in the field of chemotaxonomy
- children's home — care institution for minors
- chimney swallow — another name for common swallow
- chinese mustard — brown mustard.
- circumforaneous — moving around or abroad; roaming from place to place
- circumincession — the reciprocal existence within the three members of the Trinity
- circumnavigates — Third-person singular simple present indicative form of circumnavigate.
- circumspectness — the quality of being circumspect
- circumstantiate — to support by giving particulars
- close communion — a communion service in which only members of the same denomination or the same church can participate.
- clumber spaniel — a type of thickset spaniel having a broad heavy head
- combat neurosis — battle fatigue.
- combined forces — the forces of two or more countries, fighting together
- combustibleness — The state or quality of being combustible.
- combustion tube — a tube of heat-resistant glass, silica, or ceramic, in which a substance can be reduced, as in a combustion furnace
- come up against — If you come up against a problem or difficulty, you are faced with it and have to deal with it.
- come up smiling — to recover cheerfully from misfortune
- commercialising — Present participle of commercialise.
- commiseratingly — in a manner expressing commiseration
- commissionaires — Plural form of commissionaire.
- commissionnaire — Alternative form of commissionaire.
- committeeperson — a member of a committee.
- common disaster — the death of an insured party and a beneficiary occurring at the same time in the same accident.