invent - definition and synonyms
verb [transitive] /ɪnˈvent/
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Usage note: invent
If you are the first person to make a new type of machine, or design a new system, you invent it: Sir Isaac Newton invented calculus. ♦ Who invented the television?
If you are the first person to find, see, or understand something, you discover it: Sir Isaac Newton discovered gravity. ♦ Scientists have discovered a new planet.
You cannot invent something if it already exists.