Meaning of まっせつ in Japanese

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Definition of まっせつ

まっせつ(massetsu) 【末節】

しようまっせつ(shiyoumassetsu) 【枝葉末節】

(n) unimportant details; inessentials
枝葉末節の議論はもうそろそろ止めにして、本筋の話に移りませんか。
Why don't we stop arguing over these piddling matters and get to the issues at hand?