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illumination

n.

1. the act of lighting or casting light or the state of being lighted.

2. a moment of insight, such as the nature and processes of an interpersonal relationship, the solution to a problem, or about the understanding of an event. See also aha experience; epiphany.

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Psychology term of the day

January 29th 2025

vasoconstrictor

vasoconstrictor

n. any drug or other agent (e.g., the hormone vasopressin) that causes constriction of blood vessels so that the diameter of the vessels is reduced. The vasomotor nerves of the sympathetic nervous system also serve as vasoconstrictors. Vasoconstrictor drugs are used to increase blood pressure that has fallen to dangerously low levels. Also called vasopressor.