Excision

Definitions

1. The removal of some text during editing.
   countable, uncountable
2. The removal of something (a tumor or body part) by cutting.
   countable, uncountable
3. The removal of a gene from a section of genetic material.
   countable, uncountable
4. 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.
   countable, uncountable

Equivalents

CEFR level