Terrycot is a fibre made from the mixture of two fibres:------
A. COTTON which is a natural plant fibre. Its scientific name is Gossypium spp. It has soft, fluffy staple fiber that grows in a boll, or protective casing on the plant.
B. TERYLENE which is a polymer of 1. Ethylene Glycol 2. Terephthalic Acid.
Terylene is a synthetic fibre used for making clothes. It is elastic, highly durable, wrinkle-free.The acid is benzene-1,4-dicarboxylic acid (old name: terephthalic acid). The alcohol is ethane-1,2-diol (old name: ethylene glycol).