15-letter words containing a, s, h, o
- plain of sharon — a plain in W Israel, between the Mediterranean and the hills of Samaria, extending from Haifa to Tel Aviv
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- plethysmography — the tracking of changes measured in bodily volume
- point-and-shoot — of or denoting a camera that does not require manual adjustment of shutter speed, focus, aperture, etc.
- polish notation — a logical notation that dispenses with the need for brackets by writing the logical constants as operators preceding their arguments
- polyphloesboean — noisy
- polysomnography — a record of a person's sleep pattern, breathing, heart activity, and limb movements during sleep. Abbreviation: PSG.
- pontine marshes — an area of W Italy, southeast of Rome: formerly malarial swamps, drained in 1932–34 after numerous attempts since 160 bc had failed
- port washington — a town on NW Long Island, in SE New York.
- posthemorrhagic — occurring after a haemorrhage
- potash feldspar — any of the feldspar minerals having the composition KAlSi 3 O 8 , as orthoclase.
- power macintosh — Power Mac
- probationership — the position of a probationer
- 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.
- 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
- pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
- pseudo-chemical — of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudohexagonal — of, relating to, or having the form of a hexagon.
- psychoacoustics — the study of sound perception.
- psychobiography — a biographical study focusing on psychological factors, as childhood traumas and unconscious motives.
- psychodiagnosis — a psychological examination using psychodiagnostic techniques.
- psychogeriatric — the psychology of old age.
- psychographical — relating to psychographics
- psychohistorian — a person who writes psychohistory
- psychologically — of or relating to psychology.
- psychopathology — the science or study of mental disorders.
- psychotherapist — the treatment of psychological disorders or maladjustments by a professional technique, as psychoanalysis, group therapy, or behavioral therapy.
- put paid to sth — If an unexpected event puts paid to someone's hopes, chances, or plans, it completely ends or destroys them.
- put sb to death — If someone is put to death, they are executed.
- put sb to shame — If someone puts you to shame, they make you feel ashamed because they do something much better than you do.
- 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.
- reorchestration — a renewed or second orchestration of a piece of music, the act of reorchestrating
- 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.
- rheumatism-root — spotted wintergreen.
- 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.