var
  變量
  var
       n : a unit of electrical power in an AC circuit equal to the
           power dissipated when 1 volt produces a current of 1
           ampere [syn: volt-ampere]
  var.
       n : (biology) a group of organisms within a species that differ
           in trivial ways from similar groups; "a new strain of
           microorganisms" [syn: form, variant, strain]