actinometer

== English == === Etymology === From actino- + -meter. === Noun === actinometer (plural actinometers) (physics) An instrument used to measure the heating power of electromagnetic radiation, especially that of solar radiation. Synonym: heliothermometer ==== Related terms ==== ==== Translations ==== === Anagrams === coterminate, interactome == Dutch == === Etymology === Borrowed from English actinometer. === Pronunciation === IPA(key): /ɑkˈti.noːˌmeː.tər/ Hyphenation: ac‧ti‧no‧me‧ter === Noun === actinometer m (plural actinometers, no diminutive) actinometer [from 19th c.]