'T' definitions:
Definition of 'T'
(from WordNet)
noun
A base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine [syn: thymine, T]
noun
One of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose) [syn: deoxythymidine monophosphate, T]
noun
noun
The 20th letter of the Roman alphabet [syn: T, t]
noun
Thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer [syn: triiodothyronine, liothyronine, T]
noun
Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells; "thyroxine is 65% iodine" [syn: thyroxine, thyroxin, tetraiodothyronine, T]
Definition of 'T'
From: GCIDE
- T \T\ (t[=e]), the twentieth letter of the English alphabet, is a nonvocal consonant. With the letter h it forms the digraph th, which has two distinct sounds, as in thin, then. See Guide to Pronunciation, [sect][sect]262-264, and also [sect][sect]153,
- 156, 169, 172, 176, 178-180. [1913 Webster] The letter derives its name and form from the Latin, the form of the Latin letter being further derived through the Greek from the Ph[oe]nician. The ultimate origin is probably Egyptian. It is etymologically most nearly related to d, s, th; as in tug, duke; two, dual, L. duo; resin, L. resina, Gr. "rhti`nh, tent, tense, a., tenuous, thin; nostril, thrill. See D, S. [1913 Webster]
- T bandage (Surg.), a bandage shaped like the letter T, and used principally for application to the groin, or perineum.
- T cart, a kind of fashionable two seated wagon for pleasure driving.
- T iron. (a) A rod with a short crosspiece at the end, -- used as a hook. (b) Iron in bars, having a cross section formed like the letter T, -- used in structures.
- T rail, a kind of rail for railroad tracks, having no flange at the bottom so that a section resembles the letter T.
- T square, a ruler having a crosspiece or head at one end, for the purpose of making parallel lines; -- so called from its shape. It is laid on a drawing board and guided by the crosspiece, which is pressed against the straight edge of the board. Sometimes the head is arranged to be set at different angles.
- To a T, exactly, perfectly; as, to suit to a T. [Colloq.] [1913 Webster]
Definition of 't'
From: GCIDE
- Mute \Mute\, n.
- 1. One who does not speak, whether from physical inability, unwillingness, or other cause. Specifically: (a) One who, from deafness, either congenital or from early life, is unable to use articulate language; a deaf-mute. (b) A person employed by undertakers at a funeral. (c) A person whose part in a play does not require him to speak. (d) Among the Turks, an officer or attendant who is selected for his place because he can not speak. [1913 Webster]
- 2. (Phon.) A letter which represents no sound; a silent letter; also, a close articulation; an element of speech formed by a position of the mouth organs which stops the passage of the breath; as, p, b, d, k, t. [1913 Webster]
- 3. (Mus.) A little utensil made of brass, ivory, or other material, so formed that it can be fixed in an erect position on the bridge of a violin, or similar instrument, in order to deaden or soften the tone. [1913 Webster]