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sound

n. variations in pressure that occur over time in an elastic medium, such as air or water. Sound does not necessarily elicit an auditory sensation—infrasound and ultrasound are respectively below and above the audible range of humans—but in psychology sound usually denotes a stimulus capable of being heard by an organism. See audibility range.

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Psychology term of the day

November 27th 2024

cacoethes

cacoethes

n. an irresistible, and sometimes irrational, desire or compulsion.