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 chief virtue that language can have is clearness, and nothing detracts from it so much as the use of unfamiliar words.
Hippocrates