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What does ETA stand for?

ETA stands for Extraterrestrial Artifact

This definition appears rarely and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.
  • Slang/chat, popular culture

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Other Resources:
We have 280 other meanings of ETA in our Acronym Attic

Samples in periodicals archive:

com From ancient astronauts to extraterrestrial artifacts, there are significant reasons to question traditional and mainstream explanations as to how our solar system in general, and the Earth in particular, have evolved--along with their effects upon the development of the human race.
Drawing upon extraterrestrial artifacts, novel ideas in contemporary physics, and the texts of ancient myths, Farrell intriguingly postulates an ancient interplanetary war fought out within our solar system with weapons of horrific power and sophisticated military technology.