Definition of allantoin in English:

allantoin

Syllabification: al·lan·to·in
Pronunciation: /əˈlantōən
 
/

noun

Biochemistry
A crystalline compound formed in the nitrogen metabolism of many mammals (excluding primates).
More example sentences
  • The active compounds are allantoin and rosmarinic acid.
  • Oftentimes, it is not the cortisol stimulating properties which are cited for their healing properties but some other biochemical agent such as allantoin in comfrey.
  • Comfrey contains allantoin, a natural substance that stimulates the growth of new skin cells.

Origin

mid 19th century: from allantois (because it was discovered in the allantoic fluid of cows) + -in1.

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