20-letter words containing i, c, t, y
- synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
- synchronous rotation — rotation of a satellite in which the period of rotation is equal to the period of orbit around its primary, leaving the same face always pointing toward the primary: The moon is in synchronous rotation about the earth.
- synoptic meteorology — a branch of meteorology analyzing data collected simultaneously over a wide region, for the purpose of weather forecasting.
- synthetic philosophy — the philosophy of Herbert Spencer, intended as a synthesis of all the sciences.
- systemic circulation — the circulatory system in general.
- systemic linguistics — a school of linguistics of British origin that emphasizes the social functions of language and describes grammar in terms of hierarchically organized structures and of systems of mutually exclusive choices available to the speaker under specified conditions.
- tchebycheff equation — a differential equation of the form (1 − x 2) d 2 y/dx 2 − x dy/dx + n 2 y = 0, where n is any nonnegative integer.
- teletype corporation — (company) The company which made Teletype teletypewriters. Address: Skokie, Illinois, USA.
- tetrahydrocannabinol — a compound, C 21 H 30 O 2 , that is the physiologically active component in cannabis preparations (marijuana, hashish, etc.) derived from the Indian hemp plant or produced synthetically. Abbreviation: THC.
- theosophical society — a society founded by Madame Blavatsky and others, in New York in 1875, advocating a worldwide eclectic religion based largely on Brahmanic and Buddhistic teachings.
- thermal conductivity — the amount of heat per unit time per unit area that can be conducted through a plate of unit thickness of a given material, the faces of the plate differing by one unit of temperature.
- thermodynamic system — a system whose states of equilibrium can be specified by a few macroscopic properties.
- thirty-nine articles — a set of formulas defining the doctrinal position of the Church of England, drawn up in the 16th century, to which the clergy are required to give general consent
- to line your pockets — If you say that someone is lining their own or someone else's pockets, you disapprove of them because they are making money dishonestly or unfairly.
- tom, dick, and harry — the ordinary person; people generally; everyone: They invited every Tom, Dick, and Harry to the party.
- tom, dick, and jerry — a hot mixed drink containing rum, brandy, egg, nutmeg, and sometimes milk
- toxemia of pregnancy — an abnormal condition of pregnancy characterized by hypertension, fluid retention, edema, and the presence of protein in the urine.
- toxic shock syndrome — a rapidly developing, sometimes fatal infection characterized by sudden onset of fever, gastrointestinal upsets, a sunburnlike rash, and a drop in blood pressure: caused by a Staphylococcus aureus toxin and occurring especially in menstruating women using high-absorbency tampons. Abbreviation: TSS.
- track-laying vehicle — A track-laying vehicle is a vehicle whose wheels run inside a continuous chain or track.
- track-train dynamics — the interaction between the track and a moving train.
- treasury certificate — an obligation of the U.S. government represented by certificates in denominations ranging from $1000 to $1,000,000, maturing in one year or less with interest periodically payable by the redemption of coupons.
- tribromoacetaldehyde — bromal.
- try conclusions with — to engage in an argument or contest with
- turnip-rooted celery — celeriac.
- uncharacteristically — Also, characteristical. pertaining to, constituting, or indicating the character or peculiar quality of a person or thing; typical; distinctive: Red and gold are the characteristic colors of autumn.
- university education — a course of study undertaken and completed at a university
- webster's dictionary — Informal. a dictionary of the English language, especially American English, such as Dictionary.com.
- what-you-may-call-it — an object or person whose name one does not know or cannot recall.
- white-lipped peccary — a piglike artiodactyl mammal, Tayassu albirostris, of forests of southern North America, Central and South America: family Tayassuidae
- whyte classification — a system for classifying steam locomotives according to the total number of wheels on the front trucks, drivers, and rear trucks, in that order. For example, a Pacific locomotive is designated as 4-6-2.
- winter olympic games — an international contest of winter sports, esp skiing, held every four years
- write-once read-many — (storage) (WORM) Any type of storage medium to which data can be written to only a single time, but can be read from any number of times. Typically this is an optical disk whose surface is permanently etched using a laser in order to record information. WORM media have a significantly longer shelf life than magnetic media and thus are used when data must be preserved for a long time.