brownout
UK[ˈbraʊnaʊt]US[ˈbraʊnaʊt]
n
a partial reduction in electrical power, especially one caused by high demand, resulting in dimming of lights.
n
a temporary loss of memory or consciousness.
Morpheme Breakdown
brown
out
brown
out
Etymology
the term is a 20th-century american english compound, formed from the adjective 'brown' and the adverb/preposition 'out'. its primary electrical sense cleverly employs 'brown' to describe the characteristic dimming or browning of incandescent lights during a voltage drop, a vivid metaphorical shift from color perception to a state of reduced function. the secondary sense, a temporary loss of memory or consciousness, is a figurative extension from this core idea of a partial shutdown or reduction in power. this compound exemplifies the creative capacity of english to generate precise technical jargon from simple, native anglo-saxon elements.
Analysis
Structure: brown + out
brown (old english, meaning the color brown, here used metaphorically to suggest dimming or reduction); out (old english, meaning external, away, or a state of being extinguished or reduced).
Examples
the city experienced a brownout during the heatwave, causing lights to flicker.
the pilot suffered a brief brownout from the high g-forces during the maneuver.
to prevent a total blackout, the utility company initiated a controlled brownout.