15-letter words containing m, n, e, o, s
- 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
- blasphemousness — the quality of being blasphemous
- blossom-end rot — a disease of tomato and pepper caused by a deficiency of calcium, characterized by decay at the blossom end of the fruit.
- 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.
- blueback salmon — sockeye salmon.
- 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.
- boston massacre — an outbreak (1770) in Boston against British troops, in which a few citizens were killed
- 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
- bum someone off — to disappoint, annoy, or upset someone
- bum someone out — to upset, distress, annoy, depress, bore, etc. someone
- 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.
- camp counsellor — an adult supervisor assigned to a group of campers at a summer camp
- canada moonseed — a vine, Menispermum canadense, of eastern North America, having variable leaves and black, grapelike fruit.
- 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.
- chamber counsel — a counsel who advises in private and does not plead in court
- 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
- chopped almonds — almonds cut into small pieces
- chromosome band — any of the transverse bands that appear on a chromosome after staining. The banding pattern is unique to each type of chromosome, allowing characterization
- circumforaneous — moving around or abroad; roaming from place to place
- circumincession — the reciprocal existence within the three members of the Trinity
- close communion — a communion service in which only members of the same denomination or the same church can participate.
- collenchymatous — Relating to collenchyma.
- 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 to oneself — to recover one's senses
- 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
- comfortableness — (of clothing, furniture, etc.) producing or affording physical comfort, support, or ease: a comfortable chair; comfortable shoes.
- commendableness — The state or quality of being commendable.
- commercialising — Present participle of commercialise.
- commiseratingly — in a manner expressing commiseration
- commissionaires — Plural form of commissionaire.