Definition of SETI in English:

SETI

Syllabification: SETI
Pronunciation: /ˈsetē
 
/

abbreviation

Search for Extra-Terrestrial Intelligence, the designation of a series of projects based mainly on attempts to detect artificial radio transmissions from outer space.

Definition of SETI in:

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
adjective
turned backward