ET

Look up et or ET in Wiktionary, the free dictionary.

ET or et may refer to:

Film and television

ET tube (endotracheal tube)
Essential thrombocythemia, a chronic blood disorder
Essential tremor, a neurological disorder characterized by shaking of hands and limbs

Errol Thompson (audio engineer) or ET, dub producer
"ET (Extra-Terrestrial)", a song by OutKast from ATLiens
Electro Team, a eurodance band from Croatia
"E.T." (song), a song by Katy Perry from her 2010 album Teenage Dream
E.T. the Extra-Terrestrial (soundtrack), a soundtrack score album by John Williams
E.T. the Extra-Terrestrial (album), an audiobook album by Michael Jackson and the original cast

Einpresstiefe, the distance between the centerline of a wheel rim and the mounting surface of the hub
Electron tomography
Electron transfer, the process by which an electron moves from one atom or molecule to another
Envelope Tracking, a technique to provide a dynamic power supply to RF power amplifier to achieve high efficiency
Ethyl group, a functional group in organic chemistry
Evapotranspiration, the sum of evaporation and plant transpiration
Space Shuttle external tank
Extraterrestrial life, life which does not originate from planet Earth

European Trophy, an ice hockey tournament, played yearly in August–September, since 2006
Extra time, an additional period played if the score is tied at the end of normal time
Andrew Ettingshausen or ET, rugby league player

Ethiopian Airlines' IATA airline designator
Ethiopia's ISO 3166-1 country code
- .et, the country code top level domain (ccTLD) for Ethiopia
Estonian language's ISO 639 code
Tundra climate's Köppen climate classification