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

The right word may be effective, but no word was ever as effective as a rightly timed pause.
Mark Twain