15-letter words containing s, p, e, r, m, i
- super-committee — a committee with members from two or more organizations or political groups
- superimposition — to impose, place, or set over, above, or on something else.
- supernaturalism — supernatural character or agency.
- superparasitism — the parasitic deposit of eggs on a host already parasitized by a different member of the same species
- superpatriotism — the quality of being superpatriotic
- supreme council — the legislature of the former Soviet Union and its successor states, consisting of an upper house (Soviet of the Union or Council of the Union) whose delegates are elected on the basis of population, and a lower house (Soviet of Nationalities or Council of Nationalities) whose delegates are elected to represent the various nationalities.
- symmetric group — the group of all permutations of a finite set.
- sympathy strike — a strike by a body of workers, not because of grievances against their own employer, but by way of endorsing and aiding another group of workers who are on strike or have been locked out.
- symphony writer — a composer of an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form
- tetrasporangium — a sporangium containing four asexual spores.
- the paralympics — a sporting event, modelled on the Olympic Games, held solely for disabled competitors
- theriomorphosis — transformation into an animal form, often associated with mythological characters
- thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- uncomprehensive — of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.
- uncompromisable — that cannot or should not be compromised
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- visible imports — products that a company or country buys from other countries
- wallpaper music — music that is pleasant but not interesting, so people do not pay much attention to it
- white supremacy — the belief, theory, or doctrine that white people are inherently superior to people from all other racial groups, especially black people, and are therefore rightfully the dominant group in any society.