Standard Lemma guide

telomerase

noun · 2 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

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.

  • US: /teˈlɑməɹeɪs/
  • UK: /teˈlɒməɹeɪz/
  • CMU ARPABET: T AH0 L OW1 M ER0 EY2 Z Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

An enzyme in eukaryotic cells that adds a specific sequence of DNA to the telomeres of chromosomes after they divide; gives the chromosomes stability over time.

Definition source: English Wiktionary via Wiktextract

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an enzyme in eukaryotic cells that can add telomeres to the ends of chromosomes after they divide

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: enzyme

History

Etymology

Etymology tree English telomere Proto-Indo-European *dwóh1 Proto-Indo-European *dwísder. Ancient Greek διά (diá) Ancient Greek δῐᾰ- (dĭă-) Proto-Indo-European *steh2- Proto-Indo-European *stísteh2ti Proto-Hellenic *hístāmi Ancient Greek ῐ̔́στημῐ (hĭ́stēmĭ) Ancient Greek δῐῐ̈́στημῐ (dĭĭ̈́stēmĭ) Ancient Greek δῐᾰ́στᾰσῐς (dĭắstăsĭs) English diastase English -ase English telomerase From telomere + -ase.

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 端粒酶 (duānlìméi) — enzyme in eukaryotic cells
  • Czech: telomeráza — enzyme in eukaryotic cells
  • Finnish: telomeraasi — enzyme in eukaryotic cells
  • Polish: telomeraza — enzyme in eukaryotic cells
  • Russian: теломераза (telomeraza) — enzyme in eukaryotic cells
  • Spanish: telomerasa — enzyme in eukaryotic cells