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arc

PRIMARY MEANINGS OF: arc

1
nv
a continuous portion of a circle
form an arch or curve
2
n
electrical conduction through a gas in an applied electric field
FULL DEFINITIONS OF: arc
1

n a continuous portion of a circle

Types:
limb
the graduated arc that is attached to an instrument for measuring angles
Type of:
curve, curved shape
the trace of a point whose direction of motion changes

n something curved in shape

Synonyms:
bow
Types:
rainbow
an arc of colored light in the sky caused by refraction of the sun's rays by rain
Type of:
curve, curved shape
the trace of a point whose direction of motion changes

v form an arch or curve

Synonyms:
arch, curve
Types:
camber
curve upward in the middle
Type of:
bend, flex
form a curve
2

n electrical conduction through a gas in an applied electric field

Synonyms:
discharge, electric arc, electric discharge, spark
Types:
brush discharge
discharge between electrodes creating visible streamers of ionized particles
Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, St. Elmo's fire, corona, corona discharge, corposant, electric glow
an electrical discharge accompanied by ionization of surrounding atmosphere
flashover
an unintended electric discharge (as over or around an insulator)
Type of:
electrical conduction
the passage of electricity through a conductor
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