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Definition of xenogenesis

xenogenesis

/ˌzɛn.əˈdʒɛn.ɪ.sɪs/
xe · no · gen · e · sis
Adverb:xenogenetically
•
Plural:xenogeneses
•
Adjective:xenogenetic
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xenogenesis Lexical Profile

xenogenesis Game Scores & Validity

• noun

1

The creation or generation of something that is entirely foreign, alien, or unnatural, a concept frequently explored in speculative science fiction.

Example

"The science fiction trilogy uses xenogenesis as a central theme, exploring the moral implications of humans breeding with an extraterrestrial species."

2

The hypothetical biological reproduction in which the offspring is completely different in morphology and traits from either parent, historically associated with theories of alternating generations.

Example

"Before the mechanisms of modern genetics were understood, some naturalists theorized that xenogenesis could explain the sudden appearance of radically distinct offspring."

Synonyms
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Antonyms
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• Rhymes for xenogenesis

• Nearby Words

xenobiology
xenoblast
xenodochium
xenogenesis
xenogenetic
xenogenic
xenogenous

Word Origin & Etymology

Coined in the mid-19th century from the Greek 'xenos' (stranger, guest, alien) and 'genesis' (origin, creation).

Cite this Entry

Wordmom. (2026). Definition of Xenogenesis. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/xenogenesis
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