cyanohydrin
noun
cy·a·no·hy·drin ˌsī-ə-nō-ˈhī-drən 
sī-ˌa-nō-
: any of various compounds containing both cyano and hydroxyl groups
Word History
Etymology
International Scientific Vocabulary, from cyan- + hydr- + -in entry 1
First Known Use
1925, in the meaning defined above