Definition of "biopsy"

biopsy

/ˈbaɪɑpsi/

noun
plural biopsies
1. The removal and examination of a sample of tissue, cells, or bodily fluid from a living body for diagnostic purposes.
  Quotations
  All the while he was talking, he took lots of biopsies, small samples of tissue to be examined by pathologists using a microscope.
  2021, Dr Philippa Kaye, Doctors Get Cancer Too, Vie Books, page 22
verb
third-person singular simple present biopsies, present participle biopsying, simple past and past participle biopsied
1. To take a sample (a biopsy) for pathological examination.