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Noun invention has 3 senses
  1. invention, innovation, excogitation, conception, design - the creation of something in the mind
    --1 is a kind of creativity, creativeness, creative thinking
    --1 has particulars: concoction; contrivance
    Derived form: verb invent1
  2. invention, innovation - a creation (a new device or process) resulting from study and experimentation
    --2 is a kind of creation
  3. invention - the act of inventing
    --3 is a kind of     creating by mental acts
    --3 has particulars: neologism, neology, coinage; devisal, contrivance
    Derived forms: verb invent2, verb invent1
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