20-letter words containing t, a, s, i

for sb's delectation — If you do something for someone's delectation, you do it to give them enjoyment or pleasure.
forbidden transition — an electronic transition in an atom, molecule, etc, that is not permitted by electric dipole selection rules
fore-and-aft topsail — gaff topsail (def 1).
formative assessment — ongoing assessment of a pupil's educational development within a particular subject area
freight pass-through — a special allowance or discounted price given a bookseller or bookstore by a publishing house for paying the freight charge on a shipment of books ordered: so called because the shipping charge is passed on to the consumer by an increase in the suggested retail price for each book. Abbreviation: FPT.
fridtjof nansen land — Franz Josef Land.
friends of the earth — an organization of environmentalists and conservationists whose aim is to promote the sustainable use of the earth's resources
frosting on the cake — a sweet mixture, cooked or uncooked, for coating or filling cakes, cookies, and the like; icing.
gaff-topsail catfish — a sea catfish, Bagre marinus, occurring in the Atlantic and the Gulf of Mexico from Cape Cod to Panama, and having the spine of the dorsal fin greatly prolonged and flattened.
gastroduodenostomies — Plural form of gastroduodenostomy.
general postal union — former name of Universal Postal Union. Abbreviation: GPU.
generative semantics — a theory of generative grammar holding that the deep structure of a sentence is equivalent to its semantic representation, from which the surface structure can then be derived using only one set of rules that relate underlying meaning and surface form rather than separate sets of semantic and syntactic rules.
geological timescale — any division of geological time into chronological units, whether relative (with units in the correct temporal sequence) or absolute (with numerical ages attached)
give one's right arm — to be prepared to make any sacrifice
give someone the air — a mixture of nitrogen, oxygen, and minute amounts of other gases that surrounds the earth and forms its atmosphere.
glucosamine sulphate — a compound used in some herbal remedies and dietary supplements, esp to strengthen joint cartilage
go against the grain — If you say that an idea or action goes against the grain, you mean that it is very difficult for you to accept it or do it, because it conflicts with your previous ideas, beliefs, or principles.
go like the clappers — to move extremely fast
graphics accelerator — (graphics, hardware) Hardware (often an extra circuit board) to perform tasks such as plotting lines and surfaces in two or three dimensions, filling, shading and hidden line removal.
gravimetric analysis — analysis by weight.
gravitational radius — Schwarzschild radius.
great-circle sailing — sailing between two points more or less according to an arc of a great circle, in practice almost always using a series of rhumb lines of different bearings to approximate the arc, whose own bearing changes constantly unless it coincides with a meridian or the equator.
green mountain state — Vermont (used as a nickname).
group representation — representation in a governing body on the basis of interests rather than by geographical location.
guided visualization — a relaxation technique in which words, sounds, etc., are used to evoke positive mental images, feelings, and thoughts.
hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
hawaii-standard-time — Alaska-Hawaii time.
he's no oil painting — he is not good-looking
health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
heat of condensation — the heat liberated by a unit mass of gas at its boiling point as it condenses to a liquid: equal to the heat of vaporization.
heston and isleworth — a former borough, now part of Hounslow, in SE England, near London.
heteropolysaccharide — (carbohydrate) any polysaccharide formed from two or more different kinds of monosaccharide.
hipparchus satellite — an astronometric satellite launched in 1989 by the European Space Agency that measured the position, proper motion, and brightness of 118 218 stars down to 12th magnitude and the magnitude and colour of a million stars down to 10th magnitude
hire-purchase system — a system of payment for a commodity in regular installments while using it.
historical sociology — the sociological study of the origins and development of societies and of other social phenomena that seeks underlying laws and principles.
holy water sprinkler — morning star (def 2).
horizontal scan rate — (hardware) (HSR) The measure of how many scan lines of pixels a monitor can display in one second, expressed in kHz (generally somewhere between 20 and 100 kHz). The HSR is controlled by the horizontal sync signal generated by the video controller, but is limited by the speed with which the monitor can scan the electron beam horizontally across the screen and then return it to the beginning of the next line.
horizontally opposed — A horizontally opposed engine has the cylinders set horizontally at either side of the crankshaft.
hospitality industry — the hotel and accommodation industry
house of assignation — a brothel.
houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
how about something? — what is your wish, opinion, or information concerning something (or someone)?
human interest story — news item about people's lives
human-interest story — a story or report, as in a newspaper or on a newscast, designed to engage attention and sympathy by enabling one to identify readily with the people, problems, and situations described.
huntington's disease — a hereditary disease of the central nervous system characterized by brain deterioration and loss of control over voluntary movements, the symptoms usually appearing in the fourth decade of life.
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
hydrostatic pressure — Hydrostatic pressure is the pressure exerted by a liquid that depends on how deep it is.
hyperadrenocorticism — Cushing's syndrome.
hypercholesterolemia — the presence of an excessive amount of cholesterol in the blood.
hyperhomocysteinemia — (medicine) The presence of an excessive amount of homocysteine in the blood.

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