15-letter words containing s, a, m, p
- tetrasporangium — a sporangium containing four asexual spores.
- the black stump — an imaginary marker of the extent of civilization (esp in the phrase beyond the black stump)
- the paralympics — a sporting event, modelled on the Olympic Games, held solely for disabled competitors
- thomas à kempis — Thomas à, 1379?–1471, German ecclesiastic and author.
- to take up arms — If one group or country takes up arms against another, they prepare to attack and fight them.
- topgallant mast — a mast fixed to the head of a topmast on a square-rigged vessel.
- trypanosomiasis — any infection caused by a trypanosome.
- 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.
- uncompassionate — having or showing compassion: a compassionate person; a compassionate letter.
- uncomplaisantly — in an uncomplaisant manner
- uncompromisable — that cannot or should not be compromised
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- upperclasswoman — An upperclasswoman is a junior or senior student in a high school, college, or university.
- vernier compass — a compass on a transit (vernier transit) having a vernier for adjusting magnetic bearings to read as true bearings.
- wallpaper music — music that is pleasant but not interesting, so people do not pay much attention to it
- washington palm — a palm tree, Washingtonia filifera, of California and Florida, having large fan-shaped leaves and small black fruits
- west palm beach — a city in SE Florida: winter resort.
- westphalian ham — a hard German ham with a distinctive flavor derived from being smoked over beechwood and juniper.
- 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.
- zapata mustache — a large mustache that curves down the corners of the mouth.