A very large class of naturally occurring and synthetic organic compounds formally derived from the hydrocarbon isoprene; they include many volatile compounds used in perfume and food flavours, turpentine, the steroids, the carotene pigments and rubber
any of a class of monocyclic hydrocarbons of the formula C10H16, obtained from plants
{i} (Chemistry) C5H8, compound found in plant essential oils and which belongs to the family of natural unsaturated hydrocarbons derived from isoprene units (aromatic that is used in food and perfumes)
Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils