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

In the End, we will remember not the words of our enemies, but the silence of our friends.
Martin Luther King, Jr.