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Meaning of heliometer

he•li•om•e•ter

Pronunciation: (hē"lē-om'i-tur), [key]
— n.
  1. a telescope with a divided, adjustable objective, formerly used to measure small angular distances, as those between celestial bodies.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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