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).
   • 2022 April 4, Susannah Cullinane, Holly Yan, Stella Chan and Cheri Mossburg, “All 6 victims killed in the Sacramento mass shooting are identified as police arrest a suspect”, in CNN‎^[1]:

     CNN is seeking comment from legal representation for Martin. He is scheduled to appear in court Tuesday at 3 p.m. PT (6 p.m. ET).

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) Initialism of end transaction or 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