Main Entry:

thi·a·mine

Pronunciation:

\ˈthī-ə-mən, -ˌmēn\

Variant(s):

also thi·a·min \-mən\

Function:

noun

Etymology:

thiamine alteration of thiamin, from thi- + -amin (as in vitamin)

Date:

1937

: a vitamin C₁₂H₁₇N₄OSCl of the vitamin B complex that is essential to normal metabolism and nerve function and is widespread in plants and animals —called also vitamin B₁