"subequation" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "equation"
      },
      "expansion": "sub- + equation",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + equation.",
  "forms": [
    {
      "form": "subequations",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sub-equation",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subequation (plural subequations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "An equation that forms part of another."
      ],
      "id": "en-subequation-en-noun-pevRulua",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "equation",
          "equation"
        ]
      ],
      "raw_glosses": [
        "(mathematics) An equation that forms part of another."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "categories": [
        {
          "_dis": "25 75",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w+disamb"
        },
        {
          "_dis": "48 52",
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "25 75",
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w+disamb"
        },
        {
          "_dis": "12 88",
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "One of a series of stacked equations in a document."
      ],
      "id": "en-subequation-en-noun-6c0o7b8h"
    }
  ],
  "word": "subequation"
}

{
  "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": "equation"
      },
      "expansion": "sub- + equation",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + equation.",
  "forms": [
    {
      "form": "subequations",
      "tags": [
        "plural"
      ]
    },
    {
      "form": "sub-equation",
      "tags": [
        "alternative"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subequation (plural subequations)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "en:Mathematics"
      ],
      "glosses": [
        "An equation that forms part of another."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "equation",
          "equation"
        ]
      ],
      "raw_glosses": [
        "(mathematics) An equation that forms part of another."
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    },
    {
      "glosses": [
        "One of a series of stacked equations in a document."
      ]
    }
  ],
  "word": "subequation"
}