Phrase guide

bone age

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.

No pronunciation record was provided for this word.

1

noun

Meaning 1

The apparent age of a child based on the maturity of its bones.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

a person's age measured by matching their bone development (as shown by X rays) with bone development of an average person of known chronological age

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: age

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Chinese Mandarin: 骨齡 /骨龄 (gǔlíng) — age of a child based on the maturity of its bones
  • Finnish: luista päätelty ikä — age of a child based on the maturity of its bones
  • Finnish: luuikä — age of a child based on the maturity of its bones
  • French: âge osseux — age of a child based on the maturity of its bones