24-letter words containing p, h, e, r
- stereographic projection — a one-to-one correspondence between the points on a sphere and the extended complex plane where the north pole on the sphere corresponds to the point at infinity of the plane.
- sulphur-crested cockatoo — a large Australian white parrot, Kakatoe galerita, with a yellow erectile crest
- 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
- supportive psychotherapy — a type of psychotherapy that seeks to reduce psychological conflict and strengthen a patient's defenses through the use of various techniques, as reassurance, suggestion, counseling, and reeducation.
- telephony user interface — (communications) (TUI) Either a software interface to telephony (e.g. a phone-capable PC) or a DTMF-based interface to software (e.g. voicemail).
- tetraethyl pyrophosphate — a colorless to amber, hygroscopic, poisonous liquid, (C 2 H 5) 4 P 2 O 7 , used as an insecticide and as a rodenticide.
- 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.
- the realm of possibility — If you say that something is not beyond the realms of possibility, you mean that it is possible.
- the star-spangled banner — Stars and Stripes.
- three-spined stickleback — a small teleost fish, Gasterosteus aculeatus, of the family Gasterosteidae, of rivers and coastal regions, having three spines along the back and occurring in cold and temperate northern regions
- to have not got a prayer — If you say that someone hasn't got a prayer, you mean that it is impossible for them to succeed in what they are trying to do.
- to light the touch paper — if someone lights the touch paper or lights the blue touch paper, they do something which causes anger or excitement
- transpersonal psychology — a branch of psychology or psychotherapy that recognizes altered states of consciousness and transcendent experiences as a means to understand the human mind and treat psychological disordrs.
- trip the light fantastic — a journey or voyage: to win a trip to Paris.
- 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
- variable pitch propeller — a propeller in which the angle of the blades with regard to air flow can be adjusted while it is in operation
- what are you playing at? — If you ask what someone is playing at, you are angry because you think they are doing something stupid or wrong.