Standard Lemma guide

spheno-

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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  • Received-Pronunciation: /sfiː.nə(ʊ)/
  • General-American: /sfi.noʊ/
  • General-American: /sfi.nə/

1

prefix

Meaning 1

Wedge, wedge-shaped.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Examples

  • sphenogram

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

prefix

Meaning 2

Of or pertaining to the sphenoid bone.

Definition source: English Wiktionary via Wiktextract

Usage: morpheme

Topics: anatomy, medicine, sciences

Examples

  • sphenomastoid

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From Ancient Greek σφήν (sphḗn, “wedge”). By surface analysis, sphen- + -o-.

Across languages

Translations

2 source translations are retained for this English entry.

  • Italian: sfeno- — sphenoid bone
  • Spanish: esfeno- — sphenoid bone