NCIt definition : The class of compound known as terpenes comprise of essential oils, flavours and fragrances.
The extraction and synthesis of compounds such as these is the basis for the perfumery
industry. They find a variety of uses in the food and pharmaceutical industry as flavour
and odour improvers;
Alternative definition : NCI-GLOSS: A type of strong-smelling chemical substance found in some plants, especially
trees that have cones. Terpenes are found in essential oils (scented liquid taken
from plants).;