Standard Lemma guide

deutero-

prefix · 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

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  • /ˈdjuː.tə.rəʊ/
  • /ˈdjuː.tə.rə/
  • /ˈdjuː.tə.rɒ/
  • /ˈd͡ʒuː.tə.rəʊ/ yod-coalescence
  • /ˈd͡ʒuː.tə.rə/ yod-coalescence
  • /ˈd͡ʒuː.tə.rɒ/ yod-coalescence
  • /ˈduː.tə.rəʊ/ yod-dropping
  • /ˈduː.tə.rə/ yod-dropping
  • /ˈduː.tə.rɒ/ yod-dropping

1

prefix

Meaning 1

Second or secondary.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • deutero- + -gamy → deuterogamy (“second marriage”)

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

Containing deuterium.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • deutero- + benzene → deuterobenzene

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Ancient Greek δεύτερος (deúteros, “second (of two)”).

Across languages

Translations

2 source translations are retained for this English entry.

  • French: deutéro- — Translations
  • Italian: deutero- — Translations