actinometry

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/ˌæktɪˈnɒmətɹi/

noun

the measurement of the heating power of electromagnetic radiation, especially that of solar radiation

Scrabble 18

Meanings

nounactinometry (countable and uncountable, plural actinometries)

plural actinometries

  1. countableuncountablethe measurement of the heating power of electromagnetic radiation, especially that of solar radiation

    the air with its actinometry presents itself in the light of a thermal adjustment , by which the land and sea are prevented from becoming seething hot

    1855, Matthew Fontaine Maury, The Physical Geography of the Sea, and Its Meteorology
  2. countableuncountablethe measurement of the chemical or actinic energy of light

    ACTINOMETRY (chapter title)

    1878, William de Wiveleslie Abney, A treatise on photography

Origin

Translations

Finnish aktinometria
  • aktinometriameasurement of the heating power of electromagnetic radiation
French actinométrie
  • actinométriemeasurement of the heating power of electromagnetic radiation
Irish achtanaiméadracht
  • achtanaiméadrachtmeasurement of the heating power of electromagnetic radiation
Polish aktynometria
  • aktynometriameasurement of the heating power of electromagnetic radiation
Portuguese actinometria
  • actinometriameasurement of the heating power of electromagnetic radiation
Cite this entry
APA

actinometry. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/actinometry

MLA

“actinometry.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/actinometry. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “actinometry,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/actinometry.

Source: actinometry on Wiktionary, CC BY-SA 4.0.