Standard Lemma guide

cytokine

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.

  • Received-Pronunciation: /ˈsaɪ.tə(ʊ)(ˌ)kaɪn/
  • General-American: /ˈsaɪ.təˌkaɪn/
  • General-American: [ˈsaɪ.ɾəˌkaɪn]
  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Any of various small regulatory proteins that regulate the cells of the immune system.

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, immunology, 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

any of various protein molecules secreted by cells of the immune system that serve to regulate the immune system

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: protein

Narrower terms: tumor necrosis factor, tumour necrosis factor, TNF, lymphokine

History

Etymology

From cyto- + -kine from Ancient Greek κίνησις (kínēsis, “movement”).

Across languages

Translations

16 source translations are retained for this English entry.

  • Chinese: 細胞因子 /细胞因子 (xìbāoyīnzǐ) — any of various small regulatory proteins
  • Dutch: cytokine — any of various small regulatory proteins
  • Finnish: sytokiini — any of various small regulatory proteins
  • French: cytokine — any of various small regulatory proteins
  • German: Zytokin — any of various small regulatory proteins
  • Greek: κυτοκίνη (kytokíni) — any of various small regulatory proteins
  • Hungarian: citokin — any of various small regulatory proteins
  • Indonesian: sitokin — any of various small regulatory proteins
  • Italian: citochina — any of various small regulatory proteins
  • Polish: cytokina — any of various small regulatory proteins
  • Portuguese: citocina — any of various small regulatory proteins
  • Romanian: citokină — any of various small regulatory proteins
  • Slovene: citokin — any of various small regulatory proteins
  • Spanish: citocina — any of various small regulatory proteins
  • Swedish: cytokin — any of various small regulatory proteins
  • Turkish: sitokin — any of various small regulatory proteins
Real reading context

cytokine in complete knowledge articles