"subderivative" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "derivative"
      },
      "expansion": "sub- + derivative",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + derivative.",
  "forms": [
    {
      "form": "subderivatives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subderivative (plural subderivatives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "_dis1": "0 0",
      "word": "subdifferential"
    },
    {
      "_dis1": "0 0",
      "word": "subgradient"
    }
  ],
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Linguistics",
          "orig": "en:Linguistics",
          "parents": [
            "Language",
            "Social sciences",
            "Communication",
            "Sciences",
            "Society",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "45 55",
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "examples": [
        {
          "text": "\"Friendliness\" is a subderivative: it is derived from \"friendly\", which comes from \"friend\".",
          "type": "example"
        }
      ],
      "glosses": [
        "A word derived indirectly, from a derivative of another."
      ],
      "id": "en-subderivative-en-noun-CIovFxfq",
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "derivative",
          "derivative"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A word derived indirectly, from a derivative of another."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "13 87",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
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        {
          "_dis": "45 55",
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "8 92",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A generalization of the notion of a derivative, defined as the slope of a line that either touches, or is everywhere below the line of a convex function."
      ],
      "id": "en-subderivative-en-noun-~D4HVYS6",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "derivative",
          "derivative#English"
        ],
        [
          "slope",
          "slope"
        ],
        [
          "convex",
          "convex"
        ],
        [
          "function",
          "function"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A generalization of the notion of a derivative, defined as the slope of a line that either touches, or is everywhere below the line of a convex function."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "subderivative"
}

{
  "categories": [
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with sub-",
    "Pages with 1 entry",
    "Pages with entries"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "derivative"
      },
      "expansion": "sub- + derivative",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + derivative.",
  "forms": [
    {
      "form": "subderivatives",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subderivative (plural subderivatives)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "subdifferential"
    },
    {
      "word": "subgradient"
    }
  ],
  "senses": [
    {
      "categories": [
        "English terms with usage examples",
        "en:Linguistics"
      ],
      "examples": [
        {
          "text": "\"Friendliness\" is a subderivative: it is derived from \"friendly\", which comes from \"friend\".",
          "type": "example"
        }
      ],
      "glosses": [
        "A word derived indirectly, from a derivative of another."
      ],
      "links": [
        [
          "linguistics",
          "linguistics"
        ],
        [
          "derivative",
          "derivative"
        ]
      ],
      "raw_glosses": [
        "(linguistics) A word derived indirectly, from a derivative of another."
      ],
      "topics": [
        "human-sciences",
        "linguistics",
        "sciences"
      ]
    },
    {
      "categories": [
        "en:Mathematics"
      ],
      "glosses": [
        "A generalization of the notion of a derivative, defined as the slope of a line that either touches, or is everywhere below the line of a convex function."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "derivative",
          "derivative#English"
        ],
        [
          "slope",
          "slope"
        ],
        [
          "convex",
          "convex"
        ],
        [
          "function",
          "function"
        ]
      ],
      "raw_glosses": [
        "(mathematics) A generalization of the notion of a derivative, defined as the slope of a line that either touches, or is everywhere below the line of a convex function."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "subderivative"
}