SETI

1.
search for extraterrestrial intelligence.
Origin
1975-80

seti-

1.
a combining form meaning “bristle”; used in the formation of compound words:
setiform.
Origin
< Latin sēti-, saeti-; see seta, -i-
British Dictionary definitions for SETI

SETI

/ˈsɛtɪ/
noun acronym
1.
Search for Extraterrestrial Intelligence; the attempt to detect signals, esp radiowaves or light, from an intelligent extraterrestrial source
SETI in Culture
SETI (Search for Extraterrestrial Intelligence) [(set-ee)]

A program devoted to the search for signals from other parts of the galaxy that would indicate the presence of advanced technological civilizations. Over the years, it has sometimes been funded by NASA, sometimes by private organizations.

Note: SETI involves scanning radio waves for signals, but it has found none to date.
Related Abbreviations for SETI

SETI

Search for Extraterrestrial Intelligence