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T (thyroxine)

Definition:

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

Class:

body noun (body parts)

Usage:

acronym

Plurals:

T* | T's | Ts
(* T may be used in a singular or plural context)

Original source:

Princeton WordNet

Synonyms:

C15H11I4NO4 [chemical formula] | tetraiodothyronine | thyroxin | thyroxine

Etymology:

"thyroid" + "ox-" "oxygen" + in from "indole" (because of an early...
(Source: Oxford Dictionary)  [more]

All senses of T...

Definition references  (+images)

Wikipedia:

Thyroid hormone | thyroid hormones | T3 | T4 | T1a | T0a

tyrosine-based hormones produced by the thyroid gland that are primarily responsible for regulation of metabolism. Iodine is necessary for the production of T3 and T4. A deficiency of iodine leads to decreased production of ... (34 of 3482 words, 7 images)

en​.wikipedia​.org​/wiki​/Thyroid hormone

Britannica Encyclopedia:

thyroxine [hormone] | 3,5,3′,5′-tetraiodothyronine [synonym]

or T4, one of the two major hormones secreted by the thyroid gland. Thyroxine's principal function is to stimulate the consumption of ... (22 of 92 words, 1 image)

www​.britannica​.com​/E​Bchecked​/topic​/594710​/thyroxine

Collins Dictionary:

thyroxine | thyroxin

the principal hormone produced by the thyroid gland: it increases the metabolic rate of tissues and also controls growth, as in amphibian ... (22 of 316 words, 5 usage examples, pronunciations)

www​.collinsdictionary​.com​/dictionary​/english​/thyroxine

Columbia Encyclopedia:

thyroxine

substance secreted by the thyroid gland. The hormone thyroxine forms by combining the amino acid tyrosine with iodine. Complexed to a protein, it's ... (23 of 178 words, pronunciation)

www​.infoplease​.com​/ce​6​/sci​/A​0848668​.html

Oxford Dictionary:

thyroxine | thyroxin | C15H11NO4I4 [chemical formula, sense-specific]

Syllabification: (thy·rox·ine) | [biochemistry] | the main hormone produced by the thyroid gland, acting to increase metabolic rate and so regulating ... (19 of 76 words, 3 definitions, pronunciations)

oxforddictionaries​.com​/definition​/american english​/thyroxine

thyroxine [biochemistry] | C15H11NO4I4 [chemical formula]

the main hormone produced by the thyroid gland, acting to increase metabolic rate and so regulating growth and development.; An iodine-containing ... (21 of 72 words, pronunciation)

oxforddictionaries​.com​/definition​/english​/thyroxine

Merriam-Webster:

thyroxine | thyroxin | C15H11I4NO4 [chemical formula] | T4 [thyroxine]

an iodine-containing hormone .. that is an amino acid produced by the thyroid gland as a product of the cleavage of thyroglobulin, increases metabolic ... (24 of 58 words, pronunciations)

www​.merriam-webster​.com​/dictionary​/thyroxine

Random House Dictionary:

thyroxine | thyroxin [sense-specific]

[biochemistry] the thyroid gland hormone that regulates the metabolic rate of the body. | [pharmacology] a commercial form of this compound, obtained ... (21 of 46 words, 2 definitions, pronunciations)

dictionary​.infoplease​.com​/thyroxine

American Heritage Dictionary:

thyroxine | C15H11I4NO4 [chemical formula]

An iodine-containing hormone, ..., produced by the thyroid gland, that increases the rate of cell metabolism and regulates growth and that is made ... (23 of 40 words, pronunciations)

www​.yourdictionary​.com​/thyroxine

Wiktionary:

hormone | hormones [plural] | adrenosterone [biochemistry] | calcitonin [biochemistry] | thyrocalcitonin [biochemistry] | glucagon [biochemistry] | glucagons [biochemistry, plural] | thyroxin [biochemistry] | thyroxine [biochemistry] | ...

[physiology] Any substance produced by one tissue and conveyed by the bloodstream to another to effect physiological activity. | [pharmacology] A synthetic compound with the same activity. | Any similar substance in plants. (31 of 39 words, 3 definitions, pronunciations)

en​.wiktionary​.org​/wiki​/hormone

Macmillan British Dictionary:

thyroxine [uncountable, biology]

a substance produced by the thyroid that controls growth and development (11 of 36 words, pronunciation)

www​.macmillandictionary​.com​/dictionary​/british​/thyroxine

New World Dictionary:

thyroxine | thyroxin | C15H11I4NO4 [chemical formula]

a colorless, crystalline compound, ..., the active hormone of the thyroid gland, often prepared synthetically and used in treating goiter, cretinism, ... (21 of 33 words, pronunciations)

www​.yourdictionary​.com​/thyroxine

thyroxine | thyroxin

a colorless, crystalline compound, CHINO, the active hormone of the thyroid gland, often prepared synthetically and used in treating goiter, ... (20 of 33 words, pronunciations)

www​.yourdictionary​.com​/thyroxin

Cambridge Dictionary:

thyroxine [specialized]

a hormone produced by the thyroid gland that controls metabolism (chemical processes in the body) and is important for normal development in children (23 of 32 words, pronunciations)

dictionary​.cambridge​.org​/dictionary​/british​/thyroxine

Encarta Dictionary:

thyroxine | thyroxin | tetraiodothyronine [physiology]

the principal hormone secreted by the thyroid gland, which stimulates metabolism and is essential for normal growth and development. A synthetic form ... (22 of 61 words, pronunciations)

encarta​.msn​.com​/dictionary 1861720106​/definition​.html  [offline]

Etymology references

Oxford Dictionary:

thyroxine | thyroxin

First use: early 20th century

Origin: "thyroid" + "ox-" "oxygen" + in from "indole" (because of an early misunderstanding of its chemical structure), altered by substitution of "-ine4"

oxforddictionaries​.com​/definition​/american english​/thyroxine

Collins Dictionary:

thyroxine | thyroxin

First use: 19th century

Origin: from thyro- + oxy-2 + -ine2

www​.collinsdictionary​.com​/dictionary​/english​/thyroxine

Merriam-Webster:

thyroxine | thyroxin

First use: 1918

Origin: thyr- + oxy + indole

www​.merriam-webster​.com​/dictionary​/thyroxine

in [entry 1, preposition]

First use: before 12th century

Origin: Middle English, from Old English; akin to Old High German in in, Latin in, Greek en

www​.merriam-webster​.com​/dictionary​/in

American Heritage Dictionary:

thyroxine

Origin: "thyro-" + "oxy-" + "indole".

www​.yourdictionary​.com​/thyroxine

thyro-

Origin: Greek thureoeidēs: thureos, oblong shield (from thurā, door; see dhwer- in Indo-European roots) + -oeidēs, -oid.

www​.yourdictionary​.com​/thyro-prefix

oxy-

Origin: French oxygène: Greek oxus, sharp, acid; see ak- in Indo-European roots + French -gène, -gen.

www​.yourdictionary​.com​/oxy-prefix

indole

Origin: "indigo" + "-ole".

www​.yourdictionary​.com​/indole

New World Dictionary:

thyroxine

Origin: thyro- + oxy- + "-ine"

www​.yourdictionary​.com​/thyroxin

-ine

Origin: French -in, -ine from Latin -inus, masculine, ... | French from Latin -ina, suffix of feminine abstract nouns | arbitrary use ... (19 of 43 etymology words)

www​.yourdictionary​.com​/ine-suffix

Wiktionary:

tetraiodothyronine

Origin: tetra- + iodo- + thyronine.

en​.wiktionary​.org​/wiki​/tetraiodothyronine

tetra-

Origin: combining form of Ancient Greek τέτταρες (tettares), τέσσαρες (tessares, "four").

en​.wiktionary​.org​/wiki​/tetra-

Encarta Dictionary:

thyroxine

First use: Early 20th century

Origin: thyro- + oxy- + indole (from a misunderstanding of its chemical structure), altered after -ine

encarta​.msn​.com​/dictionary 1861720106​/definition​.html  [offline]

Audio references

Collins Dictionary:

thyroxine | thyroxin

Audio: British English pronunciation of "thyroxine"

www​.collinsdictionary​.com​/dictionary​/english​/thyroxine

thyroxin | thyroxine

Audio: British English pronunciation of "thyroxin"

www​.collinsdictionary​.com​/dictionary​/english​/thyroxin

Macmillan British Dictionary:

thyroxine [uncountable, biology]

Audio: British English pronunciation of "thyroxine"

www​.macmillandictionary​.com​/dictionary​/british​/thyroxine

Macmillan American Dictionary:

thyroxine [uncountable, biology]

Audio: North American pronunciation of "thyroxine"

www​.macmillandictionary​.com​/dictionary​/american​/thyroxine

Cambridge Dictionary:

thyroxine [specialized]

Audio 1: British English pronunuciation of "thyroxine"

Audio 2: North American English pronunuciation of "thyroxine"

dictionary​.cambridge​.org​/dictionary​/british​/thyroxine

the Free Dictionary:

thyroxine

Audio 1: North American English pronunciation of "thyroxine"

Audio 2: British English pronunciation of "thyroxine"

Audio 3: North American English pronunciation of "thyroxine" by speech synthesizer

www​.thefreedictionary​.com​/thyroxine

thyroxin

Audio 1: North American English pronunciation of "thyroxin"

Audio 2: British English pronunciation of "thyroxin"

www​.thefreedictionary​.com​/thyroxin

tetraiodothyronine

Audio 1: North American English pronunciation of "tetraiodothyronine"

Audio 2: British English pronunciation of "tetraiodothyronine"

www​.thefreedictionary​.com​/tetraiodothyronine

Google Dictionary:

thyroxine

Audio: English pronunciation of "thyroxine"

www​.google​.com​/#hl=en&tbs=dfn​:1&fp=1&q=thyroxine

YourDictionary Audio:

thyroxine

Audio: North American English pronunciation of "thyroxine" by speech synthesizer

www​.yourdictionary​.com​/thyroxine

Merriam-Webster Pronunciation:

thyroxin

Audio: North American pronunciation of "thyroxin"

www​.merriam-webster​.com​/audio​.php file=thyrox​01 word=thyroxin

Page last updated: 2013-06-26

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