pseudopupil

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noun

A dark spot that moves across the compound eye of an invertebrate as it is rotated, caused by absorption and reflection of incident light by the ommatidia.

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Meanings

nounpseudopupil (plural pseudopupils)

plural pseudopupils

  1. A dark spot that moves across the compound eye of an invertebrate as it is rotated, caused by absorption and reflection of incident light by the ommatidia.

Origin

From pseudo- + pupil.

Full word history & related roots →
Cite this entry
APA

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

MLA

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

Chicago

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

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