[fad], (Noun)

Definitions:
- an intense and widely shared enthusiasm for something, especially one that is short-lived; a craze
(e.g: younger children usually desire the latest fad that they'll probably soon lose interest in)


Phrases:

Origin:
mid 19th century (originally dialect): probably the second element of fidfad, contraction of fiddle-faddle. Compare with faddy

[], (Abbreviation)

Definitions:
- flavin adenine dinucleotide, a coenzyme derived from riboflavin and important in various metabolic reactions


Phrases:

Origin: