transcription, транскрипция: [ kal-ˈsi-fə-ˌrȯl, -ˌrōl ]
noun
Etymology: calcif erous + ergost erol
Date: 1931
: an alcohol C 28 H 43 OH usually prepared by irradiation of ergosterol and used as a dietary supplement in nutrition and medicinally in the control of rickets and related disorders — called also vitamin D 2