Etd

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Initialism of Electron-transfer dissociation. abbreviation, alt-of, countable, initialism, uncountable
  2. 2
    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 wordnet
  3. 3
    Initialism of estimated time of departure. abbreviation, alt-of, countable, initialism, uncountable
  4. 4
    Initialism of Everhart-Thornley detector. abbreviation, alt-of, countable, initialism, uncountable
  5. 5
    Initialism of Explosives trace detector. abbreviation, alt-of, countable, initialism, uncountable
Show 4 more definitions
  1. 6
    Initialism of Eye Tracking Device. abbreviation, alt-of, countable, initialism, uncountable
  2. 7
    Initialism of emergency travel document. UK, abbreviation, alt-of, countable, initialism, uncountable
  3. 8
    Initialism of exchange-traded derivative. abbreviation, alt-of, countable, initialism, uncountable
  4. 9
    Initialism of Eustachian tube dysfunction. abbreviation, alt-of, countable, initialism, uncountable

Etymology

Initialisms.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.