Related Content
- Daily Word Quiz: sangfroid
- Analogy of the Day: Today’s Analogy
- Frequently Misspelled Words
- Frequently Mispronounced Words
- Easily Confused Words
- Writing & Language
Noun
- 1. actinometer, measuring instrument, measuring system, measuring device
- usage: an instrument for measuring the intensity of electromagnetic radiation (usually by the photochemical effect)
All rights reserved.
Definition and meaning of actinometer (Dictionary)