ET

ET

1. (metrology) Symbol for exatesla, an SI unit of magnetic flux density equal to 10¹⁸ teslas.
2. (international standards) ISO 3166-1 alpha-2 country code for Ethiopia.

   Synonym: ETH (alpha-3)

3. (climatology) Köppen climate classification for a tundra climate.

ET (countable and uncountable, plural ETs)

1. (uncountable) Initialism of Eastern Time (-5 hours to GMT).
2. (countable) Abbreviation of extraterrestrial.
3. (music, countable) Initialism of escape tone.
4. (physics, uncountable) Initialism of electron tunneling.
5. (medicine) Initialism of essential tremor.
6. (medicine) Abbreviation of endotracheal or endotracheal tube.
7. (travel, aviation) Initialism of electronic ticket.
8. (travel, aviation, reservation system) End transaction, end of transaction (with transaction meaning an amendment in the reservation system in this sense).
9. (sports, especially drag racing) Initialism of elapsed time.

• (time): EDT (Eastern Daylight Time)
• (time): EST (Eastern Standard Time)

• TE, te

ET m or f by sense (plural ETs)

1. (ufology) Abbreviation of extraterrestre.