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geotaxis

n. the involuntary movement of an organism that helps it maintain a postural orientation related to the force of gravity. See taxis.

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Psychology term of the day

March 16th 2025

onanism

onanism

n. coitus interruptus or masturbation. Onanism is named for the biblical character Onan, who “went to his brother’s wife and spilled it [his seed] on the ground” (Genesis 38:9).