T

/tee/, n. (sometimes l.c.)

T-shirt.

1. tera-.

2. Elec. tesla; teslas.

3. Physics. temperature.

Symbol.

1. the 20th in order or in a series, or, when I is omitted, the 19th.

2. (sometimes l.c.) the medieval Roman numeral for 160. Cf. Roman numerals.

3. surface tension.

4. Biochem.

a. threonine.

b. thymine.

5. Photog. See T number.

6. Physics.

a. tau lepton.

b. time reversal.

7. the launching time of a rocket or missile: T minus two.

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