Definitions

1. noun

the process of cutting off or separating a part of a plant, especially a branch or root, surgically or by cutting it off at the base

“The horticulturist performed a delicate abscision to remove a diseased branch from the tree.”

2. noun

a surgical cutting or removal of a body part, especially a tumor or diseased tissue

“The doctor performed a careful abscision to remove the tumor from the patient’s skin.”