Unscramble

p 3 h 4 o 1 t 1 o 1 m 3 e 1 t 1 r 1 y 4

10 letters · 20 points in Scrabble

Meaning

noun measurement of the properties of light (especially luminous intensity)

originFrom photo- + -metry.

Etymology from Wiktionary, CC BY-SA 3.0

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