The phrase terpene was coined in 1866 via the German chemist August Kekulé to denote all hydrocarbons possessing the empirical formulation C10H16, of which camphene was a person. Previously, several hydrocarbons having the empirical method C10H16 were named "camphene", but many other hydrocarbons of the same composition experienced unique names. https://deanpypwa.blogsumer.com/32080500/how-indica-can-save-you-time-stress-and-money