ac

Noun
  1. is a type of: chemical element, element - any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
    substance meronym: uranium ore - any ore from which uranium can be extracted
    same as: actinium, atomic number 89
  2. is a type of: electrical energy, electricity, power - energy made available by the flow of electric charge through a conductor
    same as: alternating current, alternating electric current

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