ac
Noun
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A radioactive element of the actinide series
Found in uranium ores (synset 114651833)hypernym: 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 mattersubstance meronym: uranium ore - any ore from which uranium can be extractedsynonym: actinium, atomic number 89 -
An electric current that reverses direction sinusoidally (synset 111444066)
hypernym: electrical energy, electricity, power - energy made available by the flow of electric charge through a conductor
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