24-letter words containing p, o, s, t, a, d
- probability distribution — a distribution of all possible values of a random variable together with an indication of their probabilities.
- put the show on the road — to set things in operation; start an activity, venture, etc.
- put their heads together — to consult together
- pyrotraumatic dermatitis — hot spot.
- rapid eye movement sleep — REM sleep.
- repondez s'il vous plait — Répondez s'il vous plait
- representative democracy — a person or thing that represents another or others.
- research and development — the part of a commercial company's activity concerned with applying the results of scientific research to develop new products and improve existing ones
- rose-coloured spectacles — If you look at a person or situation through rose-coloured glasses or rose-tinted glasses, you see only their good points and therefore your view of them is unrealistic. In British English, you can also say that someone is looking through rose-coloured spectacles.
- scholastic aptitude test — a standard assessment test for entry into college in the United States
- serial interface adaptor — (SIA) The Ethernet driver chip used on a Filtabyte Ethernet card.
- shenandoah national park — a national park in N Virginia, including part of the Blue Ridge mountain range. 302 sq. mi. (782 sq. km).
- short-horned grasshopper — locust (def 1).
- skeleton in the cupboard — a scandalous fact or event in the past that is kept secret
- sodium hexametaphosphate — See under Calgon.
- special development area — an area earmarked for special development by the government
- stratified random sample — a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum.
- sulphur-crested cockatoo — a large Australian white parrot, Kakatoe galerita, with a yellow erectile crest
- to play your cards right — If you say that someone will achieve success if they play their cards right, you mean that they will achieve success if they act skilfully and use the advantages that they have.
- trisodium orthophosphate — a sodium salt of orthophosphoric acid having the formula Na3PO4
- ultra low sulphur diesel — a type of diesel fuel that has a low sulphur content
- usb adapter card support — (communications, software) A set of software extensions that provide support for USB adapter cards installed in the PCI bus or Cardbus slots in Macintosh computers that do not have built-in USB ports.