Ethanol /ËÉÎ¸ÉnÉl/ , also commonly called ethyl alcohol, drinking alcohol, or simply alcohol is the principal type of alcohol found in alcoholic beverages, produced by the fermentation of sugars by yeasts.It is a neurotoxic psychoactive drug and one of the oldest recreational drugs used by humans.thanol is the systematic name defined by the International Union of Pure and Applied Chemistry (IUPAC) for a molecule with two carbon atoms (prefix eth-), having a single bond between them (suffix -ane), and an attached functional group-OH group (suffix -ol).
habitus. The physical or constitutional characteristics of a person: build, constitution, habit, physique.
General habitus and shape of body and face, as well as sex hormone levels, are similar in prepubertal boys and girls. As puberty progresses and sex hormone levels rise, differences appear, though puberty causes some similar changes in male and female bodies.