synergist

noun syn·er·gist \-jist\

Definition of SYNERGIST

: something (as a chemical or a muscle) that enhances the effectiveness of an active agent; broadly : either member of a synergistic pair

1876

Medical Dictionary

noun syn·er·gist \-jəst\

: an agent that increases the effectiveness of another agent when combined with it; especially : a drug that acts in synergism with another

: an organ (as a muscle) that acts in concert with another to enhance its effect—compare agonist 1, antagonist a

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