Standard Lemma guide

titin

noun · 1 senses · updated from the 2026-07-25 local source snapshot

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

Pronunciation

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  • /ˈtaɪtɪn/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -aɪtɪn

1

noun

Meaning 1

A protein important in the contraction of striated muscle tissues.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From titan + -in. From being a titanic (titan) protein (-in), a very large protein, the largest known prior to the discovery of PKZILLA.

Across languages

Translations

21 source translations are retained for this English entry.

  • Bulgarian: титин (titin) — protein
  • Catalan: titin — protein
  • Chinese Mandarin: 肌聯蛋白 /肌联蛋白 (jīlián dànbái) — protein
  • Chinese Mandarin: 肌巨蛋白 — protein
  • Dutch: titin — protein
  • Esperanto: titino — protein
  • Finnish: titiini — protein
  • French: titine — protein
  • German: Titin — protein
  • Hindi: टाइटिन (ṭāiṭin) — protein
  • Indonesian: titin — protein
  • Italian: titino — protein
  • Italian: titina — protein
  • Japanese: チチン (chichin) — protein
  • Polish: tityna — protein
  • Portuguese: titina — protein
  • Russian: титин (titin) — protein
  • Russian: тайтин (tajtin) — protein
  • Spanish: titina — protein
  • Swahili: titini — protein
  • Swedish: titin — protein