English edit

Etymology edit

Spelling out of CT, initialism of contraterrene. Coined by American science fiction author Jack Williamson in 1942.

Adjective edit

seetee (not comparable)

  1. (science fiction) Synonym of contraterrene (made of or pertaining to antimatter).
    • 1949, Jack Williamson, “Seetee Shock”, in Astounding Science-Fiction, volume 42, number 4, page 149:
      He followed her slowly into the empty hallway, announcing flatly, “I never made a seetee weapon. I don’t intend to start now.”
    • 1960, John Glasby, Black Abyss[1], e-book edition, published 2014, →ISBN:
      He gritted his teeth as another bolt of seetee matter exploded against the energy screen.
    • 2010, Richard A. Lupoff, “Nothing Personal”, in Darrell Schweitzer, editor, Cthulhu’s Reign[2], →ISBN:
      She inferred what happened: the atmosphere of Yuggoth was composed of SeeTee matter. ¶ SeeTee. CT. ContraTerrene. Antimatter.