prove out

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English

Verb

prove out (third-person singular simple present proves out, present participle proving out, simple past proved out, past participle proved out or proven out)

  1. (intransitive) To turn out to be feasible, accurate, true, satisfactory, as expected, hoped, stated, etc.
  2. (transitive) To demonstrate the feasibility of; to show or be shown to be feasible, accurate, true, satisfactory, as expected, hoped, stated, etc.
    • 2007 April 16, Les Johnson, Nell Boyce (reporter), “Space Tethers: Slinging Objects in Orbit?”, Morning Edition, National Public Radio
      Not that we’re afraid of things new. It’s just, before you put ’em on a system, they’ve gotta be demonstrated and proven and you’ve gotta have a lot of confidence in ’em. And we’re still in the stages where we're proving this out.