Encyclopedia

pitch

phys. Term that refers to our subjective impression about the “highhess” or “lowness” of a tone, which is related to the frequency of the tone. A high-frequency vibrating source produces […]

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pituitary gland

biol. A gland at the base of the brain in vertebrate animals that releases hormones that regulate the function of most of the body’s other hormone-producing glands and organs, including […]

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