15-letter words containing m, o, t, h, r
- permanent tooth — any of the 32 adult teeth that replace the 20 milk teeth.
- petroleum ether — a volatile mixture of the higher alkane hydrocarbons, obtained as a fraction of petroleum and used as a solvent
- phantom circuit — a circuit derived from two suitably arranged pairs of wires, each pair being a circuit (side circuit) and also acting as one half of an additional derived circuit, the entire system providing the capabilities of three circuits while requiring wires for only two.
- pharmacotherapy — the treatment of disease through the administration of drugs.
- photofluorogram — a recording on photographic film of images produced by a fluoroscopic examination.
- photojournalism — journalism in which photography dominates written copy, as in certain magazines.
- photomacrograph — a photograph showing a subject at actual size or somewhat larger.
- photomicrograph — a photograph taken through a microscope.
- photomicroscope — a microscope having an illuminator and a camera mechanism for producing a photomicrograph.
- photomultiplier — an extremely sensitive detector of light and of other radiation, consisting of a tube in which the electrons released by radiation striking a photocathode are accelerated, greatly amplifying the signal obtainable from small quantities of radiation.
- plethysmography — the tracking of changes measured in bodily volume
- pneumatotherapy — the use of compressed or rarefied air in treating disease.
- poikilothermism — the state or quality of being cold-blooded, as fishes and reptiles.
- 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
- posthemorrhagic — occurring after a haemorrhage
- power macintosh — Power Mac
- protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
- 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.
- psychochemistry — the treatment of mental illnesses by drugs
- pulmobranchiate — possessing a pulmobranch
- ramrod straight — having a very straight figure
- raw-pack method — cold pack (def 2).
- retirement home — care facility for elderly people
- reverend mother — a title of respect or form of address for the Mother Superior of a convent
- rheumatism-root — spotted wintergreen.
- rhyming couplet — a pair of lines in poetry that rhyme and usually have the same rhythm
- right of asylum — the right of alien fugitives to protection or nonextradition in a country or its embassy.
- roche moutonnee — a rounded, glacially eroded rock outcrop, usually one of a group, resembling a sheep's back.
- 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.
- run of the mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run-of-the-mill — merely average; commonplace; mediocre: just a plain, run-of-the-mill house; a run-of-the-mill performance.
- run-of-the-mine — of or relating to ore or coal that is crude, ungraded, etc.
- rutherford atom — the atom postulated as analogous to the solar system, with electrons revolving around a small, central, positive nucleus that constitutes practically the entire mass of the atom
- saccharomycetes — a collective name for yeasts
- sarcenchymatous — relating to the connective tissue of some sponges
- schola cantorum — an ecclesiastical choir or choir school.
- scotch foursome — foursome (def 2b).
- semilogarithmic — (of graphing) having one scale logarithmic and the other arithmetic or of uniform gradation.
- shadow minister — a member of the main opposition party in Parliament who would hold ministerial office if their party were in power
- shock treatment — electroconvulsive therapy
- shot in the arm — a discharge of a firearm, bow, etc.
- shrimp cocktail — prawns and lettuce in Mary Rose sauce
- shut your mouth — stop talking
- socratic method — the use of questions, as employed by Socrates, to develop a latent idea, as in the mind of a pupil, or to elicit admissions, as from an opponent, tending to establish a proposition.
- sodium chlorate — a colorless, water-soluble solid, NaClO 3 , cool and salty to the taste, used chiefly in the manufacture of explosives and matches, as a textile mordant, and as an oxidizing and bleaching agent.
- software method — Software Methodology
- somatic therapy — any of a group of treatments presumed to act on biological factors leading to mental illness.
- south glamorgan — a county in SE Wales. 161 sq. mi. (416 sq. km).
- spectrochemical — of, relating to, or utilizing the techniques of spectrochemistry.
- spirochaetaemia — the presence of spirochaetes in the blood