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Noun invention has 3 senses
- 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
- invention, innovation - a creation (a new device or process) resulting from study and experimentation
--2 is a kind of creation
- invention - the act of inventing
--3 is a kind of creating by mental acts
--3 has particulars: neologism, neology, coinage; devisal, contrivance