T, t

[ tee ]
/ ti /

noun, plural T's or Ts, t's or ts.

the 20th letter of the English alphabet, a consonant.
any spoken sound represented by the letter T or t, as in tub, but, or butter.
something having the shape of a T.
a written or printed representation of the letter T or t.
a device, as a printer's type, for reproducing the letter T or t.

Idioms

    to a T, exactly; perfectly: That job would suit you to a T.Also to a tee.

Definition for t (2 of 15)

t


Statistics.

a random variable having Student's t distribution.
the statistic employed in Student's t-test.

Definition for t (3 of 15)

T

[ tee ]
/ ti /

noun (sometimes lowercase)

Definition for t (4 of 15)

T


Electricity. tesla; teslas.
Physics. temperature.

Definition for t (5 of 15)

T


Symbol.

Definition for t (6 of 15)

't


a shortened form of it, before or after a verb, as in 'twas, 'tis, do't, see't.

Definition for t (7 of 15)

t-


Chemistry. tertiary.

Definition for t (8 of 15)

Definition for t (9 of 15)

Definition for t (10 of 15)

T-


U.S. Military. (in designations of aircraft) trainer: T-11.

Definition for t (11 of 15)

t.

1

in the time of.

Origin of t.

1
From the Latin word tempore

Definition for t (12 of 15)

t.

2

Definition for t (13 of 15)

T.


tablespoon; tablespoonful.

Definition for t (14 of 15)

-t


variant of -ed1 used in forming the past tense or past participle of certain verbs, usually occurring when the final consonant of the stem is voiceless, a lateral, or a nasal and there is internal vowel change in the root: slept; felt; dreamt.

Definition for t (15 of 15)

tau

[ tou, taw for 1, 2, 4; tahv, tawv for 3 ]
/ taʊ, tɔ for 1, 2, 4; tɑv, tɔv for 3 /

noun

the 19th letter of the Greek alphabet (T, τ).
the consonant sound represented by this letter.
Also tau·on [tou-on] /ˈtaʊ ɒn/. Physics. tau lepton.
Also called tau protein. Biochemistry. a protein that is an important component of nerve cells, helping to maintain their function and structure: in the brain, distortions in the protein’s molecular shape is associated with the onset of Alzheimer’s disease.

Origin of tau

1250–1300; Middle English < Latin < Greek taû < Semitic; cf. tav
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for t

British Dictionary definitions for t (1 of 7)

t

T

/ (tiː) /

noun plural t's, T's or Ts

the 20th letter and 16th consonant of the modern English alphabet
a speech sound represented by this letter, usually a voiceless alveolar stop, as in tame
  1. something shaped like a T
  2. (in combination)a T-junction
to a T in every detail; perfectlythe work suited her to a T

British Dictionary definitions for t (2 of 7)

t


symbol for

tonne(s)
troy (weight)
statistics distribution
statistics See Student's t

British Dictionary definitions for t (3 of 7)

T


symbol for

abbreviation for

Thailand (international car registration)

British Dictionary definitions for t (4 of 7)

T-


abbreviation for

trainer (aircraft)T-37

British Dictionary definitions for t (5 of 7)

t.


abbreviation for

Word Origin for t.

(sense 4) Latin: in the time of

British Dictionary definitions for t (6 of 7)

't


contraction of

it

British Dictionary definitions for t (7 of 7)

tau

/ (tɔː, taʊ) /

noun

the 19th letter in the Greek alphabet (Τ, τ), a consonant, transliterated as t

Word Origin for tau

C13: via Latin from Greek, of Semitic origin; see tav
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for t (1 of 2)

t


abbr.

temperature

Medicine definitions for t (2 of 2)

tau


n.

The 19th letter of the Greek alphabet.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for t

T


Abbreviation of temperature, tesla, thymine
The symbol for the isotope tritium.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Idioms and Phrases with t

T


see dot the i's and cross the t's; to a T.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.