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phaeism

noun
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phae·​ism | \ ˈfēˌizəm \
plural -s

Definition of phaeism

: incomplete melanism in a butterfly

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History and Etymology for phaeism

Greek phaios dusky, gray + English -ism; akin to Greek phaidros bright, Lithuanian giedras bright, clear, Latvian gàiss air, weather

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“Phaeism.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/phaeism. Accessed 6 Mar. 2021.

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