monothiohemiacetal

== English == === Etymology === From mono- + thio- + hemiacetal. === Noun === monothiohemiacetal (plural monothiohemiacetals) (organic chemistry) any compound, of general formula R2C(SR')OH or R2C(OR')SH derived from a hemiacetal by replacing one oxygen with sulfur ==== Related terms ==== dithiohemiacetal thiohemiacetal