Noun
English Wikipedia has an article on:gamma-Hydroxybutyric acidWikipedia
gamma-hydroxybutyric acid (plural gamma-hydroxybutyric acids) (abbreviated as: GHB)
(biochemistry) A naturally-occurring biochemical of uncertain function; sometimes used as a recreational drug
gamma hydroxybutyric acid
GHB, short for Gamma-hydroxybutyric acid - was first synthesised in 1960 and was later used as an anaesthetic. Source: Internet