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• t
  t

  a random variable having a t distribution.
• 't
  't

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

  noun

  the 20th letter of the English alphabet, a consonant.
• t-
  t-

  tertiary.
• T-
  T-

  (in designations of aircraft) trainer.
• -t
  -t

  variant of -ed 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.
• t.
  t.

  abbreviation

  in the time of.
• T.
  T.

  abbreviation

  tablespoon; tablespoonful.

t

¹ American  

Statistics.

1. a random variable having a t distribution.

2. the statistic resulting from a t-test.

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't ² American  

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

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T ³ American  

[tee] / ti /

Or t

noun

plural

T's, Ts, t's, 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.

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idioms

1. to a T, exactly; perfectly: Also to a tee

   That job would suit you to a T.

T ⁴ American  

[tee] / ti /

noun

(sometimes lowercase)

1. T-shirt.

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T ⁵ American  

abbreviation

1. (used in combination) tera-.

2. Electricity. tesla; teslas.

3. temperature.

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T ⁶ American  

Symbol.

1. the 20th in order or in a series.

2. (sometimes lowercase) the medieval Roman numeral for 160.

3. surface tension.

4. Chemistry. tritium. Also T

5. Biochemistry.

   1. threonine.

   2. thymine.

6. Photography. T number.

7. Physics.

   1. tau lepton.

   2. time reversal.

8. the launching time of a rocket or missile.

   T minus two.

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t- ⁷ American  

1. Chemistry. tertiary.

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T- ⁸ American  

1. U.S. Military. (in designations of aircraft) trainer.

   T-11.

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-t ⁹ American  

1. variant of -ed 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.

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t. ¹⁰ American  

abbreviation

1. in the time of.

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t. ¹¹ American  

abbreviation

1. Football. tackle.

2. taken from.

3. tare.

4. teaspoon; teaspoonful.

5. temperature.

6. tenor.

7. Grammar. tense.

8. territory.

9. time.

10. tome.

11. ton.

12. town.

13. township.

14. transit.

15. transitive.

16. troy.

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T. ¹² American  

abbreviation

1. tablespoon; tablespoonful.

2. Territory.

3. Township.

4. Tuesday.

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't ¹ British  

contraction

1. it

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t ² British  

/ tiː /

noun

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. in every detail; perfectly

   the work suited her to a T

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T- ³ British  

abbreviation

1. trainer (aircraft)

   T-37

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t. ⁴ British  

abbreviation

1. commerce tare

2. teaspoon(ful)

3. temperature

4. music tempo

5. tenor

6. grammar tense

7. ton(s)

8. transitive

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T ⁵ British  

symbol

1. absolute temperature

2. tera-

3. chem tritium

4. biochem thymine

5. tesla

6. surface tension

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abbreviation

1. Thailand (international car registration)

t ⁶ British  

symbol

1. tonne(s)

2. troy (weight)

3. statistics distribution

4. statistics See Student's t

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T Scientific  

1. Abbreviation of temperature, tesla, thymine

2. The symbol for the isotope tritium.

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T More Idioms  

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

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Etymology

Origin of T⁴

First recorded in 1970–75

Origin of t.¹⁰

From the Latin word tempore

Example Sentences

The following chart shows that the Kospi followed that to a T.

From MarketWatch • May 12, 2026

Some of the victim's friends and family - many of them were wearing T Shirts in memory of the victim - had to leave the courtroom during the harrowing footage.

From BBC • May 6, 2026

As a young musician in Texas, T Bone, did you hear Ringo’s “Don’t Pass Me By,” from the White Album, as a country song?

From Los Angeles Times • Apr. 30, 2026

Cytotoxic T lymphocytes act as the immune system's specialized "killer" cells, seeking out and eliminating infected or cancerous cells with remarkable precision.

From Science Daily • Apr. 30, 2026

It was kid stuff, but T and Ty took it real serious.

From "How It Went Down" by Kekla Magoon