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archallaxis

noun ar·chal·lax·is \ ˌärkəˈlaksə̇s \

Definition of archallaxis

plural archallaxes \-kˌsēz\
biology
:the early deviation from an ancestral developmental pattern eliminating recapitulation

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Origin and Etymology of archallaxis

New Latin, from archi- + Greek allaxis exchange, barter, from allassein to exchange, from allos other

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