cytologist

noun

cy·​tol·​o·​gist sī-ˈtä-lə-jist How to pronounce cytologist (audio)
plural -s
1
: one specializing in the study of cells
2
: a pathologist using cytological techniques in the differential diagnosis of neoplasms

Word History

First Known Use

1884, in the meaning defined at sense 1

Time Traveler
The first known use of cytologist was in 1884

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

  1. Expanded definitions
  2. Detailed etymologies
  3. Advanced search tools
  4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now

Browse Nearby Words

Cite this Entry

“Cytologist.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytologist. Accessed 20 Dec. 2025.

Kids Definition

cytologist

noun
cy·​tol·​o·​gist
sī-ˈtäl-ə-jəst
: a person who specializes in cytology
Love words? Need even more definitions?

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