For emergency purposes.

(marketing) Used to prefix product names, to indicate an electrified or all-electric variant of the product, particularly cars.

(electronics) Used to prefix items that are embedded into devices, instead of being discrete or removable elements.

Pronunciation spelling of he.

Used for archaizing.

The fifth letter of the English alphabet, called e and written in the Latin script.

The ordinal number fifth, derived from this letter of the English alphabet, called e and written in the Latin script.

(ESRB rating) Abbreviation of everyone. / East.

(slang) The drug ecstasy (MDMA), particularly in pill form. / (especially in LGBT contexts) The hormone estrogen/estradiol. (Contrast T, testosterone.)

(history) A state in ancient China of varying location in present-day Shanxi, Henan, and Hubei. / (history) Its capital, also known as Echeng and Ezhou. / A surname from Chinese.