Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
No pronunciation record was provided for this word.
noun
any of several closely related metabolically active compounds (as triiodothyronine) that are stored in the thyroid gland in the form of thyroglobulin or circulate in the blood usually bound to plasma proteins
Definition source: English Wiktionary via Wiktextract
Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
any of several closely related compounds that are produced by the thyroid gland and are active metabolically
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: hormone, endocrine, internal secretion
Narrower terms: calcitonin, thyrocalcitonin, thyroxine, thyroxin, tetraiodothyronine, T, triiodothyronine, liothyronine
History
No etymology was provided for this word.
