Definition of precancerous in English:

precancerous

adjective

Medicine
  • (of a cell or medical condition) likely to develop into cancer if untreated.

    ‘precancerous skin lesions’
    • ‘We all know that early detection of problems is the very best way to detect precancerous conditions, which can often be treated before cancer develops.’
    • ‘There's been a controversy for many years about whether the virus infects healthy epithelial cells or just cancerous and precancerous cells.’
    • ‘Regular dental checkups that include an examination of the entire mouth are important in the early detection of oral and oropharyngeal cancers and precancerous conditions.’
    • ‘It's a test that can detect the presence of infections, inflammation, precancerous cells or cancer.’
    • ‘Screening for and removal of colorectal cancer and precancerous adenomatous polyps can decrease the incidence of colon disease.’

Pronunciation:

precancerous

/priːˈkans(ə)rəs/