Home › Words › P › pseudopupilpseudopupilpseudopupil means 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.EtymologyFrom pseudo- + pupil.nounA 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.Definitions & examples from Wiktionary (CC BY-SA 3.0).Words closest in meaningBy meaning, not spelling — each word's AI semantic fingerprint, nearest first.pseudocellus 58% match — A small pore (possibly a simple eye) on the head of a proturan. vs pseudopupil →pupilar 57% match — of or pertaining to the pupil (of the eye) vs pseudopupil →pupillography 57% match — The measurement of the movements made by the pupil of the eye in response to light etc. vs pseudopupil →pseudopit 56% match — A congenital pit that develops in the optic nerve in the case of glaucoma vs pseudopupil →interpupillary 55% match — Between the pupils of the eyes. vs pseudopupil →bipupillate 55% match — Having an eyespot on the wing, with two dots within it, as in some butterflies. vs pseudopupil →intrapupillary 55% match — Within the pupil of the eye. vs pseudopupil →pseudoproct 54% match — The anal opening on the pseudembryo of an echinoderm. vs pseudopupil →