actinometry
noun
The use of an actinometer; measurement of light intensity with the aid of an actinometer.
noun
The use of an actinometer; measurement of light intensity with the aid of an actinometer.
December 18th, 2025
15 English Words That Contradict Themselves
December 15th, 2025
Fun Facts About the Dictionary You Probably Didn’t Know
December 11th, 2025
Clever Riddles With Answers Hiding in Plain Sight
September 22nd, 2025
10 of the Longest Words in the English Language (and How to Use Them)