T

IPA (US):

 Dictionary entry overview: What does T mean? 

• T (noun)
  The noun T has 6 senses:

1. a base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine

2. one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

3. a unit of weight equivalent to 1000 kilograms

4. the 20th letter of the Roman alphabet

5. thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer

6. hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells

  Familiarity information: T used as a noun is common.

 Dictionary entry details 

• T (noun)

Sense 1

Meaning:

A base found in DNA (but not in RNA) and derived from pyrimidine; pairs with adenine

Classified under:

Nouns denoting substances

Synonyms:

T; thymine

Hypernyms ("T" is a kind of...):

pyrimidine (any of several basic compounds derived from pyrimidine)

Holonyms ("T" is a substance of...):

deoxyribonucleic acid; desoxyribonucleic acid; DNA ((biochemistry) a long linear polymer found in the nucleus of a cell and formed from nucleotides and shaped like a double helix; associated with the transmission of genetic information)

Sense 2

Meaning:

One of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose)

Classified under:

Nouns denoting substances

Synonyms:

deoxythymidine monophosphate; T

Hypernyms ("T" is a kind of...):

base; nucleotide (a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA))

Sense 3

Meaning:

A unit of weight equivalent to 1000 kilograms

Classified under:

Nouns denoting quantities and units of measure

Synonyms:

metric ton; MT; t; tonne

Hypernyms ("t" is a kind of...):

metric weight unit; weight unit (a decimal unit of weight based on the gram)

Meronyms (parts of "t"):

quintal (a unit of weight equal to 100 kilograms)

Sense 4

Meaning:

The 20th letter of the Roman alphabet

Classified under:

Nouns denoting communicative processes and contents

Hypernyms ("T" is a kind of...):

alphabetic character; letter; letter of the alphabet (the conventional characters of the alphabet used to represent speech)

Holonyms ("T" is a member of...):

Latin alphabet; Roman alphabet (the alphabet evolved by the ancient Romans which serves for writing most of the languages of western Europe)

Sense 5

Meaning:

Thyroid hormone similar to thyroxine but with one less iodine atom per molecule and produced in smaller quantity; exerts the same biological effects as thyroxine but is more potent and briefer

Classified under:

Nouns denoting body parts

Synonyms:

liothyronine; T; triiodothyronine

Hypernyms ("T" is a kind of...):

thyroid hormone (any of several closely related compounds that are produced by the thyroid gland and are active metabolically)

Sense 6

Meaning:

Hormone produced by the thyroid glands to regulate metabolism by controlling the rate of oxidation in cells

Classified under:

Nouns denoting body parts

Synonyms:

T; tetraiodothyronine; thyroxin; thyroxine

Context example:

thyroxine is 65% iodine

Hypernyms ("T" is a kind of...):

thyroid hormone (any of several closely related compounds that are produced by the thyroid gland and are active metabolically)

 Context examples 

Studies showed, however, that food elimination doesn’t prevent the development of food allergies.

(Peanut Consumption in Infancy Lowers Peanut Allergy, NIH)

“Well! Don't cry!” said Miss Betsey.

(David Copperfield, by Charles Dickens)

While such studies can find associations, they can’t prove the effects of a particular food.

(Can Chocolate Really Be Good for You?, The Titi Tudorancea Bulletin)

Even if we aren't tired, why do we yawn if someone else does?

(Why Is Yawning so Contagious?, The Titi Tudorancea Bulletin)

Also called AC-T regimen and AC-Taxol regimen.

(AC-T, NCI Dictionary)

"I'll be ding-dong-danged if I do. I said I wouldn't if ary dog turned up missin', an' I won't."

(White Fang, by Jack London)

A fusion gene that results from a chromosomal translocation t(9;22)(q34;q11) that fuses the extreme 5' portion of the ABL1 to part of the 3' portion of the BCR gene.

(ABL1/BCR Fusion Gene, NCI Thesaurus)

Severe pain doesn't always mean a serious problem.

(Abdominal Pain, NIH)

I can’t help that, said she, go it must.

(Fairy Tales, by The Brothers Grimm)

“Gif it to heem, by Gar! Gif it to heem, the dirty t’eef!”

(The Call of the Wild, by Jack London)