15-letter words containing s, i, m, e, o
- 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.
- british telecom — the popular name for British Telecommunications Group plc, the dominant fixed line telecommunications and broadband internet provider in the United Kingdom
- bromoil process — a process for making an offset reproduction by first making a photographic print on paper with a silver bromide emulsion, wetting it, and then using it as a lithographic plate, the lighter parts of the emulsion tending to repel the oil base of the ink and the darker parts tending to hold it.
- brother-in-arms — a fellow soldier or comrade in a shared struggle
- 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.
- cairngorm-stone — smoky quartz.
- 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.
- 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.
- 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
- chemopsychiatry — the study and application of chemical substances in psychiatry
- 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
- cholesterolemia — the presence of an abnormal amount of cholesterol in the blood.
- chromatic scale — a twelve-note scale including all the semitones of the octave
- cigarette smoke — the acrid smoke produced by cigarettes being smoked
- circumforaneous — moving around or abroad; roaming from place to place
- circumincession — the reciprocal existence within the three members of the Trinity
- cleistogamously — in a cleistogamous manner
- close communion — a communion service in which only members of the same denomination or the same church can participate.
- combat fatigues — the uniform worn by soldiers when fighting
- 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.
- committee stage — (in British parliamentary procedure) the detailed examination by MPs of proposed legislation
- 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.
- common-sensible — sound practical judgment that is independent of specialized knowledge, training, or the like; normal native intelligence.
- community chest — a fund raised by voluntary contribution for local welfare activities
- company pension — a pension scheme run by a company for its employees
- comparativeness — of or relating to comparison.