16-letter words containing s, e, t, x
- maximum-security — designed for or housing prisoners regarded as being very dangerous to society.
- mexican standoff — a stalemate or impasse; a confrontation that neither side can win.
- mutual exclusion — (parallel, operating system) (Or "mutex", plural: "mutexes") A collection of techniques for sharing resources so that different uses do not conflict and cause unwanted interactions. One of the most commonly used techniques for mutual exclusion is the semaphore.
- neapolitan sixth — (in musical harmony) a chord composed of the subdominant of the key, plus a minor third and a minor sixth. Harmonically it is equivalent to the first inversion of a major chord built upon the flattened supertonic
- obtuse bisectrix — See under bisectrix (def 1).
- open box testing — white box testing
- osmium tetroxide — a crystalline or amorphous, colorless, poisonous compound, OsO 4 , soluble in water, alcohol, and ether: used for microscopic staining, in photography, and as a catalyst in organic synthesis.
- presentation box — a specially designed and attractive box to hold a product, and make it look more impressive
- prevost d'exiles — Antoine François [ahn-twan frahn-swa] /ɑ̃ˈtwan frɑ̃ˈswa/ (Show IPA), ("Abbé Prévost") 1697–1763, French novelist.
- proxime accessit — the person coming next after the winner in a competitive examination or an academic prize giving; runner-up
- recreational sex — sex for the purpose of pleasure rather than reproduction, without the commitment of a relationship
- rotation of axes — a process of replacing the axes in a Cartesian coordinate system with a new set of axes making a specified angle with and having the same origin as the original axes.
- safe deposit box — A safe deposit box is a small box, usually kept in a special room in a bank, in which you can store valuable objects.
- safe-deposit box — a lockable metal box or drawer, especially in a bank vault, used for safely storing valuable papers, jewelry, etc.
- self-examination — examination into one's own state, conduct, motives, etc.
- self-exculpatory — intended to excuse oneself from blame or guilt
- self-explanatory — explaining itself; needing no explanation; obvious.
- self-explication — the act of explicating.
- senior executive — someone in a senior position in a business, who makes decisions and puts them into action
- sexual deviation — a type of mental disorder characterized by a preference for or obsession with unusual sexual practices, as pedophilia, sadomasochism, or exhibitionism.
- sexual relations — sexual intercourse; coitus.
- sexual selection — a special type of natural selection in which the sexes acquire distinct forms either because the members of one sex choose mates with particular features or because in the competition for mates among the members of one sex only those with certain traits succeed.
- simple extension — an extension field of a given field, obtained by forming all polynomials in a specified element with coefficients contained in the given field.
- sulfamethoxazole — an antimicrobial substance, C 1 0 H 1 1 N 3 O 3 S, used against a variety of susceptible Gram-positive and Gram-negative organisms, as in the treatment of certain urinary tract infections and skin infections.
- sulphur trioxide — a white corrosive substance existing in three crystalline forms of which the stable (alpha-) form is usually obtained as silky needles. It is produced by the oxidation of sulphur dioxide, and is used in the sulphonation of organic compounds. Formula: SO3
- swinging sixties — the 1960s as a decade when social and sexual freedom increased
- symmetric matrix — a matrix with the lower-left half equal to the mirror image of the upper-right half; a matrix that is its own transpose.
- texas revolution — a revolutionary movement, 1832–36, in which U.S. settlers asserted their independence from Mexico and established the republic of Texas.
- the opposite sex — women in relation to men or men in relation to women
- the sex industry — a commercial sector that employs sex workers in prostitution, pornography, etc.
- the-little-foxes — a play (1939) by Lillian Hellman.
- triple-expansion — noting a power source, especially a steam engine, using the same fluid at three successive stages of expansion to do work in three or more cylinders.
- twin-lens reflex — See under reflex camera. Abbreviation: TLR.
- world exposition — world's fair.
- xenotransplanted — Transplanted by xenotransplantation.