grayout

n. an increasing loss of peripheral vision to the point that one seems to be looking through a small tube (see tunnel vision). It results from reduced blood flow to the head, as may be experienced, for example, by pilots performing high-speed turning maneuvers in an aircraft.

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Psychology term of the day

March 16th 2025

prodrug

n. a drug that is either biologically inert or of limited activity until metabolized to a more active derivative.