18-letter words containing p, h, y
- psychopharmacology — the branch of pharmacology dealing with the psychological effects of drugs.
- psychosociological — psychological and sociological
- psychotechnologist — a specialist in psychotechnology
- psychotherapeutics — psychotherapy.
- publishing company — a firm which publishes books
- pulp canal therapy — endodontics.
- pygmy hippopotamus — a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
- pyramus and thisbe — (in Greek legend) two lovers of Babylon: Pyramus, wrongly supposing Thisbe to be dead, killed himself and she, encountering him in his death throes, did the same
- pyromucic aldehyde — furfural.
- pyrosulphuric acid — a fuming liquid acid made by adding sulphur trioxide to concentrated sulphuric acid. Formula: H2S2O7
- quasi-metaphysical — pertaining to or of the nature of metaphysics.
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- reverse psychology — (in nontechnical use) a method of getting another person to do what one wants by pretending not to want it or to want something else or something more.
- richard p. feynman — (person, computing, architecture) /fayn'mn/ 1918-1988. A US physicist, computer scientist and author who graduated from Massachusetts Institute of Technology and Princeton. Feynmane was a key figure in helping Oppenheimer and team develop atomic bomb. In 1950 he became a professor at Caltech and in 1965 became Nobel Prize Laureate in Physics for QED (quantum electrodynamics). He was a primary figure in "solving" the Challenger disaster O-ring problem. He "rediscovered" the former Soviet Socialist Republic of Tuva. The 2001 film "Infinity" about Feynman's early life featured Matthew Broderick and Patricia Arquette. In 2001, "QED", a play about Feynman's life featuring Alan Alda opened.
- root canal therapy — endodontics.
- saskatchewan party — (in Canada) a Saskatchewan political party formed by former members of the provincial Progressive Conservative and Liberal Parties
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- september holidays — a period of time in September when people do not have to go to school, college or work
- shop till you drop — If you shop till you drop, you do a large amount of shopping.
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- sociopsychological — of, relating to, or characterized by interrelated social and psychological factors.
- sodium hyposulfite — sodium thiosulfate.
- spectroheliography — the process of obtaining an image of the sun in light of a particular wavelength, such as calcium or hydrogen, showing the distribution of the element over the surface and in the solar atmosphere, using a spectroheliograph
- speech synthesizer — device that imitates human voice
- spherical geometry — the branch of geometry that deals with figures on spherical surfaces.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- superstring theory — any supersymmetric string theory in which each type of elementary particle is treated as a vibration of a single fundamental string (superstring) at a particular frequency.
- supportive therapy — any treatment, such as the intravenous administration of certain fluids, designed to reinforce or sustain the physiological well-being of a patient
- sympathetic strike — sympathy strike.
- sympathetic string — a thin wire string, as in various obsolete musical instruments, designed to vibrate sympathetically with the bowed or plucked strings to reinforce the sound.
- symphony orchestra — a large orchestra composed of wind, string, and percussion instruments and organized to perform symphonic compositions.
- systematic phoneme — a phonological unit in generative phonology representing an underlying form that takes into account the relationship between phonological patterns and morphological variation, as the unit underlying the second vowel in both derive and derivative.
- take heed/pay heed — If you take heed of what someone says or if you pay heed to them, you pay attention to them and consider carefully what they say.
- temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
- the encyclopedists — the writers of the French Encyclopedia (1751-72) edited by Diderot and d'Alembert, which contained the advanced ideas of the period
- the family compact — the ruling oligarchy in Upper Canada in the early 19th century
- the-cocktail-party — a play in verse (1950) by T. S. Eliot.
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- to gussy sb/sth up — to give (a person or thing) a smarter or more interesting appearance
- to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
- to open your heart — If you open your heart or pour out your heart to someone, you tell them your most private thoughts and feelings.
- to watch your step — If someone tells you to watch your step, they are warning you to be careful about how you behave or what you say so that you do not get into trouble.
- up to the eyeballs — You use up to the eyeballs to emphasize that someone is in an undesirable state to a very great degree.
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- warehouse capacity — the amount of storage space in a warehouse
- whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
- white iron pyrites — marcasite
- white trumpet lily — a lily, Lilium longiflorum, of Japan, having fragrant, pure white, trumpet-shaped flowers nearly 7 inches (18 cm) in length.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- wireless telephony — Now Rare. radiotelephony.