21-letter words containing p, r, i, m, u, s
- sb/sth reigns supreme — Someone or something that reigns supreme is the most important or powerful element in a situation or period of time.
- scalar multiplication — an operation used in the definition of a vector space in which the product of a scalar and a vector is a vector, the operation is distributive over the addition of both scalars and vectors, and is associative with multiplication of scalars
- simple actor language — (language) (SAL) A minimal actor language, used for teaching in:
- special court-martial — a court-martial established to try violations of military law less serious than those tried by a general court-martial but more serious than those tried by a summary court-martial.
- spin angular momentum — to make (yarn) by drawing out, twisting, and winding fibers: Pioneer women spun yarn on spinning wheels.
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
- temperature inversion — inversion (def 12).
- the supreme sacrifice — the sacrifice of one's life
- to mix your metaphors — If you mix your metaphors, you use two conflicting metaphors. People do this accidentally, or sometimes deliberately as a joke.
- xeroderma pigmentosum — a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.