Standard Lemma guide

microcephaly

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.

  • US: /ˌmaɪkɹoʊˈsɛfəli/
  • US: Recorded audio is listed in the source snapshot.
  • rhymes with -ɛfəli

1

noun

Meaning 1

A neurological disorder in which the person affected has an abnormally small head due to a failure of brain growth.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an abnormally small head and underdeveloped brain

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: microcephalus, nanocephaly

Antonyms: none provided

Broader terms: abnormality, abnormalcy

History

Etymology

From micro- + -cephaly.

Across languages

Translations

19 source translations are retained for this English entry.

  • Catalan: microcefàlia — neurological disorder
  • Chinese Mandarin: 畸形小頭 /畸形小头 (jīxíng xiǎotóu) — neurological disorder
  • Chinese Mandarin: 小頭畸形 /小头畸形 (xiǎotóu jīxíng) — neurological disorder
  • Chinese Mandarin: 小腦症 /小脑症 (xiǎonǎozhèng) — neurological disorder
  • Czech: mikrocefalie — neurological disorder
  • Dutch: microcefalie — neurological disorder
  • Finnish: pienipäisyys — neurological disorder
  • Finnish: mikrokefalia — neurological disorder
  • French: microcéphalie — neurological disorder
  • Galician: microcefalia — neurological disorder
  • Georgian: მიკროკეფალია (miḳroḳepalia) — neurological disorder
  • Italian: microcefalia — neurological disorder
  • Polish: mikrocefalia — neurological disorder
  • Polish: małogłowie — neurological disorder
  • Portuguese: microcefalia — neurological disorder
  • Romanian: microcefalie — neurological disorder
  • Russian: микроцефа́лия (mikrocefálija) — neurological disorder
  • Russian: микрокефа́лия (mikrokefálija) — neurological disorder
  • Spanish: microcefalia — neurological disorder
Real reading context

microcephaly in complete knowledge articles