polymorphism
US /ˌpɑː.liˈmɔːr.fɪ.zəm/
UK /ˌpɑː.liˈmɔːr.fɪ.zəm/

1.
the condition of occurring in several different forms
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Genetic polymorphism is common in human populations.
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The crystal exhibited polymorphism, appearing in cubic and hexagonal forms.
2.
the ability of an object to take on many forms
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In object-oriented programming, polymorphism allows objects of different classes to be treated as objects of a common type.
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Understanding polymorphism is crucial for designing flexible and extensible software systems.