Definition 53.19.10. Let $k$ be a field. Let $X$ be a $1$-dimensional algebraic $k$-scheme. Let $x \in X$ be a closed point. We say $x$ is a *split node* if $x$ is a node, $\kappa (x) = k$, and the equivalent assertions of Remark 53.19.9 hold for $A = \mathcal{O}_{X, x}$.

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