/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.