Standard Lemma guide

macrocephaly

noun · 3 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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  • rhymes with -ɛfəli

1

noun

Meaning 1

A condition in which the head is abnormally large.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The excessive concentration of population and development in a single centre, to the detriment of other areas.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable, usually

Topics: geography, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

an abnormally large head; differs from hydrocephalus because there is no increased intracranial pressure and the overgrowth is symmetrical

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: megacephaly, megalocephaly

Antonyms: none provided

Broader terms: abnormality, abnormalcy

History

Etymology

From macro- + -cephaly.

Across languages

Translations

13 source translations are retained for this English entry.

  • Basque: makrozefalia — a condition in which the head is abnormally large
  • Catalan: macrocefàlia — a condition in which the head is abnormally large
  • Czech: makrocefalie — a condition in which the head is abnormally large
  • Dutch: macrocefalie — a condition in which the head is abnormally large
  • French: macrocéphalie — a condition in which the head is abnormally large
  • German: Makrozephalie — a condition in which the head is abnormally large
  • Italian: macrocefalia — a condition in which the head is abnormally large
  • Polish: makrocefalia — a condition in which the head is abnormally large
  • Portuguese: macrocefalia — a condition in which the head is abnormally large
  • Romanian: macrocefalie — a condition in which the head is abnormally large
  • Russian: макроцефа́лия (makrocefálija) — a condition in which the head is abnormally large
  • Spanish: macrocefalia — a condition in which the head is abnormally large
  • Ukrainian: макроцефа́лія (makrocefálija) — a condition in which the head is abnormally large