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Noun arc has 3 senses
  1. discharge, spark, arc, electric arc, electric discharge - electrical conduction through a gas in an applied electric field
    --1 is a kind of electrical conduction
    --1 has particulars:
     brush discharge; corona discharge, corona, corposant, St. Elmo's fire, Saint Elmo's fire, Saint Elmo's light, Saint Ulmo's fire, Saint Ulmo's light, electric glow; flashover
  2. arc - a continuous portion of a circle
    --2 is a kind of     curve, curved shape
    --2 is a part of circle; sector
    --2 has particulars: limb
    Derived form: verb arc1
  3. bow, arc - something curved in shape
    --3 is a kind of curve, curved shape
    --3 has particulars: rainbow
    Derived form: verb arc1
,Verb arc has 1 sense
  1. arch, curve, arc - form an arch or curve; "her back arches"; "her hips curve nicely"
    --1 is one way to bend, flex
    Derived forms: noun arc3, noun arc2
    Sample sentences:
    Something ----s
    Somebody ----s something
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