bolometer.
A sensitive device for detecting and measuring the energy of electromagnetic radiation.
Meaning & usage
A sensitive device for detecting and measuring the energy of electromagnetic radiation.
Where this word comes from
Etymology tree Proto-Indo-European *gʷelH-der. Proto-Hellenic *gʷəlnō Ancient Greek βᾰ́λλω (bắllō) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Hellenic *-ā́ Ancient Greek -ᾱ (-ā) Ancient Greek -η (-ē) Ancient Greek βολή (bolḗ) Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- Proto-Indo-European *meh₁- Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Hellenic *-tron Ancient Greek -τρον (-tron) Ancient Greek μέτρον (métron)lbor. French -mètrebor. English -meter English bolometer From Ancient Greek βολή (bolḗ, “a throw, the stroke”) + English -o- + -meter. Coined by American physicist, pioneer of aviation, and 3rd Secretary of the Smithsonian Samuel Langley in 1878.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.