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exam paper
examen
examination
examine
examine-in-chief
example
exante return
exanthema
exaptation
exarch
exarchate
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Excalibur
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exaptation

ex·ap·ta·tion [ èk sap táysh'n ] (plural ex·ap·ta·tions)


noun 
Definition:
 
predisposition toward adaptation: a preexisting characteristic that enhances the ability of a species to adapt to a change in its environment or way of living

[Late 20th century. Blend of ex-1 + adaptation]
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