20-letter words containing a, d, r, t

terms and conditions — commerce: rules, restrictions
terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
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.
tetrahydrogestrinone — a synthetic anabolic steroid. Formula: C21H28O2
the (great) pyramids — the three large pyramids at Gîza, Egypt: the largest is the Pyramid of Khufu
the (great) unwashed — The unwashed or the great unwashed is a way of referring to poor or ordinary people.
the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
the garment industry — the manufacturing of items of clothing
the grove of academe — the academic world
the hearing impaired — people whose hearing is partially defective
the last word in sth — If you say that something is the last word in luxury, comfort, or some other quality, you are emphasizing that it has a great deal of this quality.
the luck of the draw — If you say that something is the luck of the draw, you mean that it is the result of chance and you cannot do anything about it.
the order of the day — If a particular way of behaving or doing something is the order of the day, it is very common.
the other way around — reversed
the whole nine yards — everything that is required; the whole thing
theater-in-the-round — arena theater.
theatre-in-the-round — a theatre with seats arranged around a central acting area
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.
third-party software — software created by programmers or publishers independent of the manufacturer of the hardware for which it is intended.
thirteenth amendment — an amendment to the U.S. Constitution, ratified in 1865, abolishing slavery.
thomas of erceldoune — Thomas of, Thomas of Erceldoune.
thread language zero — (language) (TL0) The instruction set of the TAM (Threaded Abstract Machine), used to implement Id.
three-dimensionality — having, or seeming to have, the dimension of depth as well as width and height.
three-thorned acacia — honey locust.
throw up one's hands — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
to be at loggerheads — to be in conflict
to cost someone dear — If something that someone does costs them dear, they suffer a lot as a result of it.
to disturb the peace — If someone is accused of disturbing the peace, they are accused of behaving in a noisy and offensive way in public.
to do your damnedest — If you say that you will do your damnedest to achieve something, you mean that you will try as hard as you can to do it, even though you think that it will take a lot of effort.
to fall on deaf ears — If a request falls on deaf ears or if the person to whom the request is made turns a deaf ear to it, they take no notice of it.
to flog a dead horse — If you say that someone is flogging a dead horse, you mean that they are trying to achieve something impossible.
to keep your hand in — If you do something to keep your hand in, you practise a skill or hobby occasionally in order to remain fairly good at it.
to land on your feet — If you say that someone always lands on their feet, you mean that they are always successful or lucky, although they do not seem to achieve this by their own efforts.
to make up your mind — If you make up your mind or make your mind up, you decide which of a number of possible things you will have or do.
to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
to stand your ground — If you stand your ground or hold your ground, you continue to support a particular argument or to have a particular opinion when other people are opposing you or trying to make you change your mind.
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
townsend's solitaire — a brownish, slender-billed songbird, Myadestes townsendi, of western North America.
track-train dynamics — the interaction between the track and a moving train.
tradesman's entrance — the entrance to a large house used by tradesmen to deliver goods and services; usually at the side or rear of the house
traditional marriage — Anthropology. the primary established form of marriage recognized in a given country or religious or social group at a given time: In that culture, traditional marriage requires the families of the future bride and groom to engage in ritual visits and exchange gifts.
traditional medicine — systems of medicine developed before the era of modern medicine, based on cultural beliefs and practices handed down from generation to generation
trailing vortex drag — drag arising from vortices that occur behind a body moving through a gas or liquid
transcendental logic — (in Kantian epistemology) the study of the mind with reference to its perceptions of external objects and to the objective truth of such perceptions.
transmission density — a measure of the extent to which a substance transmits light or other electromagnetic radiation, equal to the logarithm to base ten of the reciprocal of the transmittance
transposed conjugate — adjoint (def 2).
tribromoacetaldehyde — bromal.
trichloroacetic acid — a toxic, deliquescent, and colorless crystalline compound, C 2 HCl 3 O 2 , soluble in water, alcohol, and ether: used in the synthesis of pharmaceuticals, herbicides, and other chemicals, and as a reagent for the detection of albumin. Abbreviation: TCA.

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