21-letter words containing o, p, t, u
- structural psychology — psychology centering on the analysis of the structure or content of conscious mental states by introspective methods.
- student participation — the extent to which students participate or involve themselves in a class, course, etc
- subjective complement — subject complement.
- subliminal perception — perception of or reaction to a stimulus that occurs without awareness or consciousness
- sun protection factor — SPF.
- supergranulation cell — one of a number of large convection cells in the photosphere and chromosphere of the sun, each having a diameter of 10,000–20,000 miles (16,000–32,000 km) and lasting longer than a day.
- surface of projection — the surface upon which an image or a set of points is projected.
- symphonie fantastique — a programmatic symphony (1830–31) in five movements by Hector Berlioz.
- temperature inversion — inversion (def 12).
- tenure track position — a position or office that carries with it the opportunity to eventually obtain tenure or the right to permanent employment
- the apple of your eye — If you say that someone is the apple of your eye, you mean that they are very important to you and you are extremely fond of them.
- the slough of despond — a state of extreme despondency, depression or degradation
- therapeutic community — a group-based form of therapy for mental disorders, sometimes residential
- thermoelectric couple — thermocouple.
- third party procedure — impleader.
- to be mixed up in sth — if you are mixed up in something, usually something bad, you are involved in it
- to be public property — to be publicly owned
- to mix your metaphors — If you mix your metaphors, you use two conflicting metaphors. People do this accidentally, or sometimes deliberately as a joke.
- to pull someone's leg — If you are pulling someone's leg, you are teasing them by telling them something shocking or worrying as a joke.
- to pull your socks up — If you tell someone to pull their socks up, you mean that they should start working or studying harder, because they have been lazy or careless.
- to put one over on sb — If someone puts one over on you, they make you do or believe something by telling you things that are not true.
- to put the wind up sb — If something or someone puts the wind up you, they frighten or worry you.
- to put you in mind of — If something puts you in mind of something else, it reminds you of it because it is similar to it or is associated with it.
- to put/set sb to work — If you put someone to work or set them to work, you give them a job or task to do.
- triple superphosphate — superphosphate (def 2).
- triple-superphosphate — Also called acid phosphate. a mixture of calcium acid phosphate and calcium sulfate prepared by treating phosphate rock with sulfuric acid: used chiefly as a fertilizer.
- turn up one's nose at — to sneer at; scorn
- ulster unionist party — a Northern Irish political party advocating the maintenance of union with the UK
- up to the elbows with — busily occupied with; deeply immersed in
- whip-and-tongue graft — a graft prepared by cutting both the scion and the stock in a sloping direction and inserting a tongue in the scion into a slit in the stock.
- window of opportunity — limited chance to do sth
- writ of habeas corpus — law: petition for hearing
- xeroderma pigmentosum — a rare inherited disease characterized by sensitivity to ultraviolet light, exposure resulting in lesions and tumors of the skin and eyes.