15-letter words containing o, p, r, t, u
- to take up arms — If one group or country takes up arms against another, they prepare to attack and fight them.
- trifluoperazine — a compound, C 21 H 24 F 3 N 3 S, used as an antipsychotic.
- trustee process — (in New England) garnishment (def 1).
- turgor pressure — the pressure exerted on a plant cell wall by water passing into the cell by osmosis
- turkish cypriot — denoting ethnically Turkish inhabitants of Cyprus
- turnkey project — a complete project usually including many major units of plant completed under one overall contract, such as a chemical works or power station complex
- ultra-patriotic — of, like, suitable for, or characteristic of a patriot.
- ultramicroscope — an instrument that uses scattering phenomena to detect the position of objects too small to be seen by an ordinary microscope.
- ultramicroscopy — the use of the ultramicroscope.
- ultrasonography — a diagnostic imaging technique utilizing reflected high-frequency sound waves to delineate, measure, or examine internal body structures or organs.
- un-presumptuous — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
- unary operation — an operation in a mathematical system by which one element is used to yield a single result, as squaring or taking the square root.
- uncomplementary — forming a complement; completing.
- uncomplimentary — of the nature of, conveying, or expressing a compliment, often one that is politely flattering: a complimentary remark.
- uncooperatively — in an uncooperative or unhelpful manner
- uncopyrightable — not able to be copyrighted
- undercompensate — to compensate or pay less than is fair, customary, or expected.
- underemployment — employed at a job that does not fully use one's skills or abilities.
- underpopulation — having a population lower than is normal or desirable.
- underproduction — production that is less than normal or than is required by the demand.
- unleaded petrol — petrol containing a reduced amount of tetraethyl lead
- unopportunistic — adhering to a policy of opportunism; practicing opportunism.
- unpatriotically — in a manner that is not enthusiastically supporting one's country and its ways of life
- unpretentiously — without pretension
- unproportionate — proportioned; being in due proportion; proportional.
- unprotected sex — an act of sexual intercourse or sodomy performed without the use of a condom, thus involving the risk of sexually transmitted diseases
- unprotectedness — the state of being unprotected or defenceless against attack
- unprotestantize — to make something (e.g. a church, country, etc) a religion other than Protestant
- unsportsmanlike — a man who engages in sports, especially in some open-air sport, as hunting, fishing, racing, etc.
- up one's street — (just) what one knows or likes best
- up to your ears — If you are up to your ears in something, it is taking up all of your time, attention, or resources.
- up to your eyes — If you say that you are up to your eyes in something, you are emphasizing that you have a lot of it to deal with, and often that you are very busy.
- upper arlington — a city in central Ohio, near Columbus.
- upward mobility — movement from one social level to a higher one (upward mobility) or a lower one (downward mobility) as by changing jobs or marrying.
- utility program — system software used to perform standard operations, as sorting data or copying data from one file to another, for application programs or other system software.
- water pollution — the pollution of the sea and rivers
- well-brought-up — If you say that someone, especially a child, is well-brought-up, you mean that they are very polite because they have been taught good manners.
- white corpuscle — white blood cell.
- wood turpentine — turpentine obtained from pine trees.
- young pretender — a member of the royal family that ruled in Scotland from 1371 to 1714 and in England from 1603 to 1714.