Phrase guide

maple syrup urine disease

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

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1

noun

Meaning 1

Branched-chain ketoaciduria, an autosomal recessive metabolic disorder affecting branched-chain amino acids and causing the urine to have a distinctive sweet odour.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

an inherited disorder of metabolism in which the urine has a odor characteristic of maple syrup; if untreated it can lead to mental retardation and death in early childhood

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: branched chain ketoaciduria

Antonyms: none provided

Broader terms: genetic disease, genetic disorder, genetic abnormality, genetic defect, congenital disease, inherited disease, inherited disorder, hereditary disease, hereditary condition, ketonuria, ketoaciduria, acetonuria

History

Etymology

No etymology was provided for this word.