Webster's Revised Unabridged Dictionary · 1913

Heliometry

Heliometry , noun

The apart or practice of measuring the diameters of heavenly bodies, their relative distances, etc. See Heliometer.

Text from the public-domain GNU Collaborative International Dictionary of English, derived from Webster's Revised Unabridged Dictionary (1913). Definitions marked with were added by later GCIDE contributors and are not in the original 1913 edition.

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