Standard Lemma guide

interferon

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.

  • ĭn′tər-fîr′ŏn′
  • Received-Pronunciation: /ˌɪn.təˈfɪːˌɒn/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • Canada, General-American: /ˌɪn.təɹˈfɪɹˌɑn/
  • Canada: /ˌɪn.təɹˈfɪɹˌɒn/
  • Australian: /ˌɪn.təˈfɪəˌɔn/
  • New-Zealand: /ˌən.tɐˈfiə̯ˌɔn/
  • Scotland: /ˌɪn.təɹˈfiɹˌɔn/
  • India: /ˌin.ʈɜrˈfiːɾˌɒn/
  • rhymes with -ɪːɒn
  • CMU ARPABET: IH2 N T ER0 F EH1 R AA0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
  • CMU ARPABET 2: IH2 N T ER0 F IH1 R AA0 N Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Any of a group of glycoproteins, produced by the immune system, that prevent viral replication in infected cells.

Definition source: English Wiktionary via Wiktextract

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

2

noun

Meaning 2

an antiviral protein produced by cells that have been invaded by a virus; inhibits replication of the virus

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: antiviral, antiviral agent, antiviral drug

Narrower terms: alpha-interferon, beta-interferon, gamma-interferon

History

Etymology

From interfere + -on (suffix: chemical compound), from its role interfering with viral replication.

Across languages

Translations

22 source translations are retained for this English entry.

  • Catalan: interferó — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Chinese Mandarin: 干擾素 (gānrǎosù) — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Czech: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Dutch: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Esperanto: interferono — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Esperanto: interferonoj — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Finnish: interferoni — any of a group of glycoproteins, that prevent viral replication in infected cells
  • French: interféron — any of a group of glycoproteins, that prevent viral replication in infected cells
  • German: Interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Hebrew: אינטרפרון — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Hungarian: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Italian: interferone — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Japanese: インターフェロン (intāferon) — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Northern Kurdish: înterferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Polish: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Portuguese: interferão — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Portuguese: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Romanian: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Russian: интерферо́н (interferón) — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Spanish: interferón — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Swedish: interferon — any of a group of glycoproteins, that prevent viral replication in infected cells
  • Thai: อินเตอร์ฟีรอน (interfīron) — any of a group of glycoproteins, that prevent viral replication in infected cells
Real reading context

interferon in complete knowledge articles