[ bey-tuh-guh-lak-tuh-sahy-deys, -deyz or, esp. British, bee- ]
/ ˌbeɪ tə gəˌlæk təˈsaɪ deɪs, -deɪz or, esp. British, ˌbi- /

noun Biochemistry.

any of a family of enzymes capable of liberating galactose from carbohydrates.


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Origin of betagalactosidase

beta + galactoside a glycoside in which the sugar is galactose (< French; see galactose, -ide) + -ase Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020