n.
Pronunciation: ' th ī - ə -m ə n, - ˌ m ē n
Variant: also thi · a · min \ -m ə n \
Function: noun
Etymology: thiamine alteration of thiamin, from thi- + -amin (as in vitamin )
Date: 1937
: a vitamin C 12 H 17 N 4 OSCl of the vitamin B complex that is essential to normal metabolism and nerve function and is widespread in plants and animals ― called also vitamin B 1