Excision definition

(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.

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The deletion of some text during editing.

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(surgery) The removal of a tumor, etc., by cutting.

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

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Other Word Forms

Noun

Singular:

excision

Plural:

excisions

Origin of excision

From Middle French excision, from Latin excīsiō.

From Wiktionary