A glycol, also known as a vicinal diol, is a compound with two -OH groups on adjacent carbons.

What is meant by vicinal diol?

vicinal diol (plural vicinal diols) (organic chemistry) Any diol in which the two hydroxy functional groups are attached to adjacent carbon atoms.

What is an aliphatic diol?

A diol is a chemical compound containing two hydroxyl groups (−OH groups). An aliphatic diol is also called a glycol. This pairing of functional groups is pervasive, and many subcategories have been identified. The most common industrial diol is ethylene glycol.