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T, t

[tee] /ti/
noun, plural T's or Ts, t's or ts.
1.
the 20th letter of the English alphabet, a consonant.
2.
any spoken sound represented by the letter T or t, as in tub, but, or butter.
3.
something having the shape of a T .
4.
a written or printed representation of the letter T or t.
5.
a device, as a printer's type, for reproducing the letter T or t.
Idioms
6.
to a T, exactly; perfectly:
That job would suit you to a T.
Also, to a tee.

t

Statistics.
1.
a random variable having Student's t distribution.
2.
the statistic employed in Student's t-test.

T

[tee] /ti/
noun, (sometimes lowercase)
1.

T

1.
2.
Electricity. tesla; teslas.
3.
Physics. temperature.

T

Symbol.
1.
the 20th in order or in a series, or, when I is omitted, the 19th.
2.
(sometimes lowercase) the medieval Roman numeral for 160.
Compare Roman numerals.
3.
surface tension.
4.
Biochemistry.
  1. threonine.
  2. thymine.
5.
Photography. T number.
6.
Physics.
  1. tau lepton.
  2. time reversal.
7.
the launching time of a rocket or missile:
T minus two.

't

1.
a shortened form of it, before or after a verb, as in 'twas, 'tis, do't, see't.

t-

1.
Chemistry. tertiary.

T2

1.

T-

1.
U.S. Military. (in designations of aircraft) trainer:
T-11.

t.1

1.
in the time of.
Origin of t.1
From the Latin word tempore

t.2

1.
Football. tackle.
2.
taken from.
3.
tare.
4.
teaspoon; teaspoonful.
6.
7.
Grammar. tense.
8.
9.
time.
10.
tome.
11.
ton.
12.
town.
13.
14.
15.
16.
troy.

T.

1.
tablespoon; tablespoonful.
2.
3.
4.

-t

1.
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.

tau

[tou, taw for 1, 2, 4; tahv, tawv for 3] /taʊ, tɔ for 1, 2, 4; tɑv, tɔv for 3/
noun
1.
the 19th letter of the Greek alphabet (T, τ).
2.
the consonant sound represented by this letter.
3.
tav.
4.
Also, tauon [tou-on] /ˈtaʊ ɒn/ (Show IPA). Physics. tau lepton.
5.
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
1250-1300; Middle English < Latin < Greek taû < Semitic; cf. tav
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for t
Contemporary Examples
Historical Examples
  • For one thing Fred sha'n't get into that kind of muss if I can save him from it.

    The Spenders Harry Leon Wilson
  • It wa'n't good for him to be holed up out there in them hills all his life.

    The Spenders Harry Leon Wilson
  • One time he landed in Pocatello when there wa'n't but one game in town.

    The Spenders Harry Leon Wilson
  • And six weeks after that I had things in shape so't I was able to leave.

    The Spenders Harry Leon Wilson
  • She wa'n't meant fur it—and I'd rather have her marry an American, anyhow.

    The Spenders Harry Leon Wilson
British Dictionary definitions for t

t

/tiː/
noun (pl) t's, T's, Ts
1.
the 20th letter and 16th consonant of the modern English alphabet
2.
a speech sound represented by this letter, usually a voiceless alveolar stop, as in tame
3.
  1. something shaped like a T
  2. (in combination): a T-junction
4.
to a T, in every detail; perfectly: the work suited her to a T

t

symbol
1.
tonne(s)
2.
troy (weight)
3.
(statistics) distribution
4.
(statistics) See Student's t

T

symbol
1.
absolute temperature
2.
tera-
3.
(chem) tritium
4.
(biochem) thymine
5.
tesla
6.
surface tension
abbreviation
7.
Thailand (international car registration)

T-

abbreviation
1.
trainer (aircraft): T-37

t.

abbreviation
1.
(commerce) tare
2.
teaspoon(ful)
3.
temperature
4.
(music) tempo
5.
tenor
6.
(grammar) tense
7.
ton(s)
8.
transitive
Word Origin
(sense 4) Latin: in the time of

't

contraction
1.
it

tau

/tɔː; taʊ/
noun
1.
the 19th letter in the Greek alphabet (Τ, τ), a consonant, transliterated as t
Word Origin
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
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Word Origin and History for t

T

to cross one's T's (and dot one's i's) "to be exact" is attested from 1849. Phrase to a T "exactly" is recorded from 1690s, though the exact signification is uncertain, despite much speculation. The measuring tool called a T-square is recorded by that name from 1785.

tau

nineteenth letter of the Greek alphabet, from Hebrew taw, last letter of the Hebrew alphabet, literally "sign, mark."

Online Etymology Dictionary, © 2010 Douglas Harper
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t in Medicine

t abbr.
temperature (often italic)

T 1

The symbol for the isotope tritium.

T 2
abbr.

  1. tablespoon

  2. absolute temperature (often italic)

  3. tesla

  4. tetanus toxoids vaccine

  5. tetanus vaccine

tau n.

Symbol τ 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.
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t in Science
T  
  1. Abbreviation of temperature, tesla, thymine

  2. The symbol for the isotope tritium.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for t

T 1

noun

  1. Marijuana; tea (1940s+ Narcotics)
  2. A gram of methamphetamine (1960s+ Narcotics)

T 2

noun

A technical foul: The ''T'' was absolutely ridiculous (1990s+ Basketball)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Idioms and Phrases with t
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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