carcinoma in situ

noun

: carcinoma in the stage of development when the cancer cells are still within their site of origin (as the mouth or uterine cervix)
—abbreviation CIS

Dictionary Entries Near carcinoma in situ

carcinoma

carcinoma in situ

carcinomatoid

See More Nearby Entries 

Cite this Entry

“Carcinoma in situ.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/carcinoma%20in%20situ. Accessed 25 Mar. 2023.

Copy Citation

Share

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

Word of the Day

Listen to the pronunciation of eighty-six

See Definitions and Examples »

Test Your Vocabulary

Love It or Hate It

  • heart-fire
  • When asked about her blind date, Carol spoke for hours with vitriol.
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?

PLAY
Words at Play
Ask the Editors
Word Games