The Clue
___ particle (electrically neutral meson) (3 letter answer)
The Answer
ETA
Tags
Notes
The answer ETA is very common and appears about once every 25 puzzles.
Related Clues
Age, in Asti
Airport initials
Airport stat.
Capt.'s guess
Fraternity letter
Greek letter
Greek vowel
H, to Greeks
Hellenic H
J.F.K. info
J.F.K. listing
J.F.K. posting
KLM announcement
LAX info
Letter from Athens
Letter of a chapter?
Letter from Crete
Letter in Larisa
Letter from Plato
Letters at LAX
Schedule abbr.
Sorority letter
Touchdown info
Transportation abbr.
9:15, say, at J.F.K.
Amtrak listing, for short
Cockpit guess, for short
Flight board abbr.
Kennedy posting: Abbr.
Pilot's announcement, briefly
Pilot's announcement, for short
Pilot's prediction, for short
Posting at O'Hare: Abbr.
Seventh Greek letter
When to get in, briefly
Zeta-theta separator
Flight plan info: Abbr.
When a flight is due in: Abbr.
When the pilot is due in, for short
When a plane is due in: Abbr.
Definition
ETA as a noun:
1. (Basque Homeland and Freedom, Basque Fatherland and Liberty, Euskadi ta Askatasuna, ETA) = a terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create on independent homeland in Spain's western Pyrenees; "in 1968 ETA launched a campaign of political assassinations of government officials"
2. the 7th letter of the Greek alphabet