Meanings
Synonyms & antonyms
nounSynonym of actinometer.
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Origin
From helio- + thermometer. Coined by Genevan scientist Horace Bénédict de Saussure.
Full word history & related roots →Translations
French héliothermomètre
- héliothermomètreactinometer
Portuguese heliotermômetro, heliotermómetro
- heliotermômetroactinometer
- heliotermómetroactinometer
Spanish heliotermómetro
- heliotermómetroactinometer
Cite this entry
APA
heliothermometer. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/heliothermometer
MLA
“heliothermometer.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/heliothermometer. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “heliothermometer,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/heliothermometer.
Source: heliothermometer on Wiktionary, CC BY-SA 4.0.