Search Result for "etd": 
Wordnet 3.0

NOUN (1)

1. a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives;
[syn: explosive trace detection, ETD]


WordNet (r) 3.0 (2006):

ETD n 1: a system for screening luggage in airports; an agent passes a swab around or inside luggage and then runs the swab through a machine that can detect trace amounts of explosives [syn: explosive trace detection, ETD]