I. noun an examination of tissue removed from a living body to discover the presence, cause, or extent of a disease. • a bone marrow biopsy.
• [ mass noun]
cirrhosis was confirmed by biopsy.
II. verb — [with obj.] 1. conduct a biopsy on (tissue removed from a living body) • the lesions may be malignant and should be biopsied.
– origin late 19th cent.: coined in French from Greek bios ‘life’ + opsis ‘sight’, on the pattern of necropsy.