Webster's Revised Unabridged Dictionary · 1913

Photometry

Photometry , noun

[Compare French photométrie.]

That branch of science which treats of the measurement of the intensity of light.

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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