rainband

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noun

A dark band in the yellow portion of the solar spectrum near the sodium line, caused by the presence of water vapour in the atmosphere, and hence sometimes used in weather predictions.

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Meanings

nounrainband (plural rainbands)

plural rainbands

  1. A dark band in the yellow portion of the solar spectrum near the sodium line, caused by the presence of water vapour in the atmosphere, and hence sometimes used in weather predictions.
  2. climatologyAn elongated cloud and precipitation structure associated with an area of rainfall.
    1. climatologyThe spiralling bands of cloud and precipitation that make up the bulk of most tropical cyclones.

Origin

From rain + band.

Full word history & related roots →
Cite this entry
APA

rainband. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/rainband

MLA

“rainband.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rainband. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “rainband,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/rainband.

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