cytogenetics

1 of 2

noun

cy·​to·​ge·​net·​ics ˌsī-tō-jə-ˈne-tiks How to pronounce cytogenetics (audio)
plural in form but singular or plural in construction
: a branch of biology that deals with the study of heredity and variation by the methods of both cytology and genetics
cytogenetic adjective
or cytogenetical
cytogenetically adverb
cytogeneticist noun

cytogenetic

2 of 2

adjective

cy·​to·​ge·​net·​ic ¦sī-tō-jə-¦ne-tik How to pronounce cytogenetic (audio)
variants or less commonly cytogenetical
: of, relating to, concerning, or by the methods of cytogenetics
cytogenetically adverb

Word History

Etymology

Noun

International Scientific Vocabulary

Adjective

International Scientific Vocabulary cyt- + -genetic, -genetical

First Known Use

Noun

1930, in the meaning defined above

Adjective

1927, in the meaning defined above

Time Traveler
The first known use of cytogenetics was in 1927

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Cite this Entry

“Cytogenetics.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cytogenetics. Accessed 13 Jun. 2026.

Medical Definition

cytogenetics

noun, plural in form but singular or plural in construction
cy·​to·​ge·​net·​ics -jə-ˈnet-iks How to pronounce cytogenetics (audio)
: a branch of biology that deals with the study of heredity and variation by the methods of both cytology and genetics
cytogenetic adjective
or cytogenetical
cytogenetically adverb

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