English dictionary
doubler
Definitions, examples, synonyms and antonyms from WordNet 3.0.
noun
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an electronic device that doubles the voltage or the frequency of an input signal
Source: WordNet 3.0
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One who, or that which, doubles.
Source: webster1913
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A part of a distilling apparatus for intercepting the heavier fractions and returning them to be redistilled.
Source: webster1913