18-letter words containing m, a, n, c, h
- stinking chamomile — mayweed.
- submarine sandwich — a sandwich made with a long cylindrical bread roll
- survival mechanism — something you or your body does automatically, in order to survive in a dangerous or unpleasant situation
- swedish gymnastics — a system of passive and active exercising of muscles and joints
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- systematic phoneme — a phonological unit in generative phonology representing an underlying form that takes into account the relationship between phonological patterns and morphological variation, as the unit underlying the second vowel in both derive and derivative.
- teaching equipment — teaching aids
- tetrachloromethane — carbon tetrachloride.
- the american dream — the notion that the American social, economic, and political system makes success possible for every individual
- the black mountain — a mountain range in S Wales, in E Carmarthenshire and W Powys. Highest peak: Carmarthen Van, 802 m (2632 ft)
- the dismal science — a name for economics coined by Thomas Carlyle
- the hunger marches — a number of processions by unemployed workers in the 1930s to protest against unemployment and deprivation
- thermal efficiency — the ratio of the work output of a heat engine to the heat input expressed in the same units of energy.
- thermonuclear bomb — hydrogen bomb.
- thioantimonic acid — a hypothetical acid, H3SbS4, known only in the form of its salts
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- world championship — an international competition in a particular sport or activity for people all around the world
- writ of attachment — a document by which a court orders the seizing of property in order to ensure satisfaction of a judgement