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excision🔊

The removal of some text during editing.

📑 Synonyms: deletion

(surgery) The removal of something (a tumor or body part) by cutting.

📑 Synonyms: resection

(genetics) The removal of a gene from a section of genetic material.

(topology) The fact that, under certain hypotheses, the homology of a space relative to a subspace is unchanged by the identification of a subspace of the latter to a point.