24-letter words containing r, d, o, p
- superheterodyne receiver — a radio receiver that combines two radio-frequency signals by heterodyne action, to produce a signal above the audible frequency limit. This signal is amplified and demodulated to give the desired audio-frequency signal
- the department of health — a department of the government of the United Kingdom concerned with governmental policy relating to health in England but not elsewhere in the United Kingdom
- the long-term unemployed — people who have no job and have not worked for a long time
- the occupied territories — the areas of the West Bank, the Gaza Strip, and the Golan Heights occupied by Israel after the 1967 Six-Day War
- the proof of the pudding — If you say the proof of the pudding or the proof of the pudding is in the eating, you mean that something new can only be judged to be good or bad after it has been tried or used.
- to keep your eyes peeled — If you tell someone to keep their eyes peeled for something, you are telling them to watch very carefully for it.
- 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.
- yellow-bellied sapsucker — a woodpecker, Sphyrapicus varius, of eastern North America, having a red patch on the forehead and black and white plumage with a pale-yellow abdomen, and feeding on sap from trees.