galactosyl
/ɡəˈlaktə(ʊ)sʌɪl/ /ɡəˈlaktə(ʊ)sɪl/Biochemistry
noun
A radical or group derived from galactose by loss of a hydroxyl group. Usually attributive or as a formative element in names of compounds.
Origin
1920s; earliest use found in Chemical Abstracts. From galactose + -yl, after German Galactosyl.