polygamy

n. marriage to more than one spouse at the same time, which is an accepted custom in certain cultures. See also bigamy; group marriage; plural marriage; polyandry; polygyny. Compare monogamy. —polygamous adj. —polygamist n.

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Psychology term of the day

November 19th 2024

summation effect

a feature of binocular cells in the visual cortex in which the activity of the cell is greater when stimulation occurs through both eyes than when stimulation occurs through one eye. A similar phenomenon occurs in the auditory system; when both ears are stimulated, there is a binaural summation effect of enhanced loudness.