"subtype polymorphism" meaning in English

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  "lang_code": "en",
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        "Synonym of subtyping"
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        "(programming, computing theory) Synonym of subtyping"
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        "computing",
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        "programming",
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  "word": "subtype polymorphism"
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  "lang_code": "en",
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        "(programming, computing theory) Synonym of subtyping"
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  "word": "subtype polymorphism"
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