Dobson unit

noun

A unit of measurement of the amount of a trace gas (typically ozone) in a vertical column through the Earth's atmosphere).

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Meanings

nounDobson unit (plural Dobson units)

plural Dobson units

  1. A unit of measurement of the amount of a trace gas (typically ozone) in a vertical column through the Earth's atmosphere).

Origin

Named after Gordon Dobson, a researcher at the University of Oxford who in the 1920s built the first instrument to measure total ozone from the ground.

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Rhymes & wordplay

Rhymes with Dobson unit

head unit
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Cite this entry
APA

Dobson unit. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/Dobson%20unit

MLA

“Dobson unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Dobson%20unit. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “Dobson unit,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/Dobson%20unit.

Source: Dobson unit on Wiktionary, CC BY-SA 4.0.