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allantoin
[ uh-lan-toh-in ]
noun
, Biochemistry, Pharmacology.
- a white powder, C 4 H 6 N 4 O 3 , produced by oxidation of uric acid and the major excretory product of purine degradation in many vertebrates: used medicinally to heal skin ulcers and in lotions, lipsticks, etc., for its soothing effect.
allantoin
/ ˌælənˈtəʊɪn /
noun
- a substance derived from the secretions of snails and contained in some plants, used in skin care products and valued for its soothing properties
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Word History and Origins
Origin of allantoin1
1835–45; allanto(is) + -in 2; so named because it is found in the fluid of the allantois
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Word History and Origins
Origin of allantoin1
C19: from allantois
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