Definition of "EQ"

Initialism of emotional quotient: a metric similar to IQ but measuring one's perception of emotions or emotional intelligence.  examples

equalization, equalisation (adjusting the balance between frequency components within an electronic signal)  examples

(Mormonism) Initialism of Elders' Quorum.  examples

(video games) Initialism of EverQuest, a massively multiplayer online role-playing game.  examples