15-letter words containing s, h, o, r
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- progress chaser — a person employed to make sure at each stage, esp of a manufacturing process, that a piece of work is on schedule and is delivered to the customer on time
- propeller shaft — a shaft that transmits power from an engine to a propeller.
- property rights — a legal right to or in a particular property.
- proscenium arch — the arch separating the stage from the auditorium
- protospatharius — (of the Byzantine empire) a high-ranking official in the imperial guard
- provost marshal — Army. an officer on the staff of a commander, charged with the maintaining of order and with other police functions within a command.
- pseudepigraphon — any book of the Pseudepigrapha
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudoephedrine — a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychochemistry — the treatment of mental illnesses by drugs
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- psychohistorian — a person who writes psychohistory
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- pulchritudinous — physically beautiful; comely.
- quasihistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- radiophosphorus — phosphorus 32.
- raise one's hat — to take one's hat briefly off one's head as a greeting or mark of respect
- ramrod straight — having a very straight figure
- ray of sunshine — beam of sunlight
- relative to sth — Relative to something means with reference to it or in comparison with it.
- religious house — a convent or monastery.
- religious right — US right-wing Christian movement
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- reported speech — indirect quotation
- research fellow — A research fellow is a member of an academic institution whose job is to do research.
- research worker — investigative scientist
- reservoir patch — A reservoir patch is an adhesive patch enclosing an amount of medicine. The patch is applied to the skin, and the medicine in it is delivered through a membrane into the skin and into the bloodstream.
- rhesus positive — relating to blood containing Rhesus antigen D
- rheumatism-root — spotted wintergreen.
- rhinoceros horn — the horn of a rhinoceros
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- rhyme or reason — If something happens or is done without rhyme or reason, there seems to be no logical reason for it to happen or be done.
- right ascension — the arc of the celestial equator measured eastward from the vernal equinox to the foot of the great circle passing through the celestial poles and a given point on the celestial sphere, expressed in degrees or hours.
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- right of search — the privilege of a nation at war to search neutral ships on the high seas for contraband or other matter, carried in violation of neutrality, that may subject the ship to seizure.
- right to choose — the right of a woman to have a legal abortion if she chooses to do so.
- riverworthiness — (of a boat) the quality or state of being riverworthy
- rochester hills — city in SE Mich., near Detroit: pop. 69,000
- rocket research — research into rocket engines for spacecraft
- rolle's theorem — the theorem that a differentiable function having equal values at the endpoints of an interval has a derivative equal to zero at some point in the interval.
- ronne ice shelf — an ice barrier in Antarctica, in SW Weddell Sea, bordered by Ellsworth Land on the NW and Berkner Island on the E.
- rose of jericho — an Asian plant, Anastatica hierochuntica, of the mustard family, which, after drying and curling up, expands when moistened.
- rough bluegrass — a grass, Poa trivialis, native to Eurasia and naturalized in North America, where it is used in mixtures for lawns and pasturage.
- round the twist — mad; eccentric
- round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
- roundheadedness — the state of having a round head