leucine

leu·cine

L l

Definitions of leucine word

noun leucine a white, crystalline, water-soluble amino acid, C 6 H 13 NO 2 , obtained by the decomposition of proteins and made synthetically: essential in the nutrition of humans and animals. Symbol: L. Abbreviation: Leu; 1
noun leucine A hydrophobic amino acid that is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates. 1
noun leucine an essential amino acid found in many proteins 0
noun leucine an essential amino acid, (CH3)2CHCH2CH(NH2)COOH, produced by the hydrolysis of proteins by pancreatic enzymes during digestion and by the putrefaction of nitrogenous organic matter 0
noun leucine (biochemistry) An essential amino acid, C6H13NO2, isomeric with isoleucine, found in most animal proteins; it is essential for growth in children. 0

before 1820

One of the 38% newest English words

First recorded in 1820-30; leuc- + -ine1

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A common word. It’s meaning is known to most children of preschool age. About 79% of English native speakers know the meaning and use the word.

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