15-letter words containing m, a, t, r, s
- ultraliberalism — a belief in or support for an extremely liberal political party or doctrine
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- ultramicroscopy — the use of the ultramicroscope.
- undemonstrative — not given to open exhibition or expression of emotion, especially of affection.
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- underestimation — to estimate at too low a value, rate, or the like.
- unfamiliarities — not familiar; not acquainted with or conversant about: to be unfamiliar with a subject.
- universal motor — a series-wound motor, of one-half horsepower or less, using alternating or direct current.
- unmaterialistic — excessively concerned with physical comforts or the acquisition of wealth and material possessions, rather than with spiritual, intellectual, or cultural values.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- untransmigrated — not transmigrated; not transferred or caused to be transferred
- untransmissible — intransmissible
- ust-kamenogorsk — a city in E Kazakhstan, on the Irtysh River.
- vascular system — plant tissue consisting of ducts or vessels, that, in the higher plants, forms the system (vascular system) by which sap is conveyed through the plant.
- vermouth cassis — a mixed drink made with dry vermouth, crème de cassis, soda or mineral water, and cracked ice.
- vestimentiferan — any of various marine tubeworms of the phylum Vestimentifera or Pogonophora, which live in upright tubes near hydrothermal vents.
- walrus mustache — a thick, shaggy mustache hanging down loosely at both ends.
- warmheartedness — The quality of being warmhearted.
- wassermann test — a diagnostic test for syphilis using the fixation of a complement by the serum of a syphilitic individual.
- water-based mud — Water-based mud is a type of drilling mud consisting mainly of water, which has additives to modify it and make it more effective.
- welfare statism — the belief in or practices of a welfare state.
- what's-her-name — a girl or woman whose name is unknown, temporarily forgotten, or deliberately overlooked
- white christmas — A white Christmas is a Christmas when it snows.
- 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.
- william webster — Daniel, 1782–1852, U.S. statesman and orator.
- wrestling match — sport: contention by grappling opponent
- x-ray astronomy — the branch of astronomy that studies celestial objects by means of the x-rays emitted by them.