Standard Lemma guide

synostosis

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.

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Pronunciation

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1

noun

Meaning 1

The healthy fusion of adjacent bones by the growth of a bony material.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, physiology, sciences

Examples

  • normal human cranial synostosis
  • Examples of normal human developmental synostosis occur in the mandible and in the sacrum.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The abnormal bony fusion of a joint.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, pathology, sciences

Examples

  • Various synostoses are typical of Antley-Bixler syndrome.

Meaning relationships

Synonyms: synosteosis

Antonyms: none provided

Broader terms: dysostosis, disease, condition

History

Etymology

From New Latin; by surface analysis, syn- + ost(eo)- + -osis.