het·​er·​ol·​o·​gous | \ ˌhe-tə-ˈrä-lə-gəs How to pronounce heterologous (audio) \

Definition of heterologous

: derived from a different species

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Other Words from heterologous

heterologously adverb

Examples of heterologous in a Sentence

Recent Examples on the Web Some of the early successes for heterologous prime-boosts came in the search for vaccines for Ebola. New York Times, "Getting One Vaccine Is Good. How About Mix-and-Match?," 30 Mar. 2021

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'heterologous.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of heterologous

1893, in the meaning defined above

History and Etymology for heterologous

heter- + -logous (as in homologous)

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Time Traveler for heterologous

Time Traveler

The first known use of heterologous was in 1893

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Statistics for heterologous

Last Updated

7 Apr 2021

Cite this Entry

“Heterologous.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/heterologous. Accessed 13 May. 2021.

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More Definitions for heterologous


het·​er·​ol·​o·​gous | \ ˌhet-ə-ˈräl-ə-gəs How to pronounce heterologous (audio) \

Medical Definition of heterologous

1 : derived from a different species heterologous DNAs heterologous transplants — compare autologous, homologous sense 2a
2 : characterized by cross-reactivity a heterologous vaccine protects against pathogenic antigens that cross-react with antibodies induced by antigens in the vaccine

Other Words from heterologous

heterologously adverb

Comments on heterologous

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