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Definition of Metonic
1. a. Pertaining to, or discovered by, Meton, the Athenian.
Medical Definition of Metonic
1. 
Pertaining to, or discovered by, Meton, the Athenian. Metonic cycle or year.
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1. a. Pertaining to, or discovered by, Meton, the Athenian.
1. 
Pertaining to, or discovered by, Meton, the Athenian. Metonic cycle or year.