what is meant by glycerol?? Share with your friends Share 0 Nishtha Agarwal answered this colourless, sweet, viscous liquid formed as by-product in soap manufacture -1 View Full Answer Debosmita Dey answered this Glycerol; also called glycerine or glycerin; see spelling differences) is a simple polyol compound. It is a colorless, odorless, viscous liquid that is sweet-tasting and non-toxic. The glycerol backbone is found in those lipids known as glycerides. 1