T definition and meaning | Collins English Dictionary (2025)

COBUILD frequency band

t in American English

Statistics

1.

a random variable having Student's t distribution

2.

the statistic employed in Student's t-test

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

T in American English 1

(ti)

noun

(sometimes lc)

T-shirt

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

T in American English 2

abbreviation

1.

tera-

2.Electricity

tesla; teslas

3.Physics

temperature

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

T in American English 3

symbol

1.

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

2.(sometimes lc)

the medieval Roman numeral for 160

Compare Roman numerals

3.

surface tension

4.Biochemistry

a.

threonine

b.

thymine

5.Photography See T number

6.Physics

a.

tau lepton

b.

time reversal

7.

the launching time of a rocket or missile

T minus two

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

T in American English

(ti) or t (ti)

nounWord forms: 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

6. See to a T

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

t. in American English

1.American Football

tackle

2.

taken from

3.

tare

4.

teaspoon; teaspoonful

5.

temperature

6.

in the time of

7.

tenor

8.Grammar

tense

9.

territory

10.

time

11.

tome

12.

ton

13.

town

14.

township

15.

transit

16.

transitive

17.

troy

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

Word origin

[(def. 6) ‹ L tempore]

COBUILD frequency band

T. in American English

1.

tablespoon; tablespoonful

2.

Territory

3.

Township

4.

Tuesday

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

t- in American English

prefix

Chemistry

tertiary

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

T- in American English

prefix

U.S. Military (in designations of aircraft)

trainer

T-11

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

't in American English

pronoun

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

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

COBUILD frequency band

-t in American English

suffix

a 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

Most material © 2005, 1997, 1991 by Penguin Random House LLC. Modified entries © 2019 by Penguin Random House LLC and HarperCollins Publishers Ltd

T definition and meaning | Collins English Dictionary (2025)

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