16-letter words containing s, o, u, r, f
- person of colour — a person who is not White
- phosphor fatigue — screen saver
- radius of action — the maximum distance that a ship, aircraft, or land vehicle can travel from its base and return without refuelling
- refresher course — a study course serving as a review of previous education.
- refuse collector — someone who collects of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
- regius professor — Crown-appointed holder of a university chair
- security officer — civilian, policeman or soldier who is responsible for security in a town or country
- self-destruction — the destruction or ruination of oneself or one's life.
- self-exculpatory — intended to excuse oneself from blame or guilt
- self-lubrication — the process of becoming lubricated without external factors
- self-nourishment — something that nourishes; food, nutriment, or sustenance.
- self-preoccupied — preoccupied by one's own concerns
- self-pronouncing — having the pronunciation indicated, especially by diacritical marks added on original spellings rather than by phonetic symbols: a self-pronouncing dictionary.
- self-reproducing — to make a copy, representation, duplicate, or close imitation of: to reproduce a picture.
- self-resourceful — able to deal skillfully and promptly with new situations, difficulties, etc.
- self-suppression — Psychoanalysis. conscious inhibition of an impulse.
- shoulder surfing — a form of credit-card fraud in which the perpetrator stands behind and looks over the shoulder of the victim as he or she withdraws money from an automated teller machine, memorizes the card details, and later steals the card
- soft brown sugar — a type of moist sugar made by coating white sugar with dark molasses
- soft furnishings — home fabrics
- stocking stuffer — a small, usually inexpensive gift that is placed with others in a Christmas stocking.
- sulfanilyl group — the para form of the group C 6 H 6 NO 2 S–, derived from sulfanilic acid.
- sulfocarbanilide — thiocarbanilide.
- superfecundation — the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
- superunification — a theory intended to describe the electromagnetic force, the strong force, the weak force, and gravity as a single, unified force.
- teutoburg forest — region of low, forested mountains, mostly in North Rhine-Westphalia, Germany: highest point, c. 1,500 ft (457 m)
- the first couple — the US president and their spouse
- twofold purchase — a purchase using a double standing block and a double running block so as to give a mechanical advantage of four or five, neglecting friction, depending on whether the hauling is on the standing block or the running block.
- utility software — system software that manages and optimizes the performance of hardware
- windsor, duke of — (since 1917) a member of the present British royal family. Compare Saxe-Coburg-Gotha (def 1).
- women's suffrage — right of adult females to vote
- writ of subpoena — a legal document commanding the attendance in court, as a witness, of the person on whom it is served, under a penalty