transcription, транскрипция: [ ˈthī-ə-mən, -ˌmēn ]
noun
also thi·a·min -mən
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