Associations to the word «Actinometer»

Wiktionary

ACTINOMETER, noun. (physics) A device used to measure the heating power of electromagnetic radiation, especially that of solar radiation.

Dictionary definition

ACTINOMETER, noun. An instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect).

Wise words

A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away.
Antoine de Saint-Exupery