"subprincipal" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "principal"
      },
      "expansion": "sub- + principal",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + principal",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "subprincipal (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "ref": "2016, Tatsuo Nishitani, “On the Cauchy problem for differential operators with double characteristics, transition from effective to non-effective characteristics”, in arXiv",
          "text": "Then we prove the well-posedness of the Cauchy problem in all Gevrey classes assuming, on the double characteristic manifold, that the ratio of the imaginary part of the subprincipal symbol to the real eigenvalue of the Hamilton map is bounded and that the sum of the real part of the subprincipal symbol and the modulus of the imaginary eigenvalue of the Hamilton map is strictly positive..",
          "type": "quotation"
        }
      ],
      "id": "en-subprincipal-en-adj-47DEQpj8",
      "links": [
        [
          "mathematics",
          "mathematics"
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      "raw_glosses": [
        "(mathematics)"
      ],
      "tags": [
        "empty-gloss",
        "no-gloss",
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "subprincipal"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "principal"
      },
      "expansion": "sub- + principal",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + principal",
  "forms": [
    {
      "form": "subprincipals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subprincipal (plural subprincipals)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
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          "source": "w+disamb"
        },
        {
          "_dis": "0 100",
          "kind": "other",
          "name": "English terms prefixed with sub-",
          "parents": [],
          "source": "w+disamb"
        }
      ],
      "glosses": [
        "A subordinate principal; vice-principal."
      ],
      "id": "en-subprincipal-en-noun-8o2Hf1HU",
      "links": [
        [
          "subordinate",
          "subordinate"
        ],
        [
          "principal",
          "principal"
        ],
        [
          "vice-principal",
          "vice-principal"
        ]
      ]
    }
  ],
  "word": "subprincipal"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with sub-",
    "English uncomparable adjectives"
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  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "principal"
      },
      "expansion": "sub- + principal",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + principal",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "subprincipal (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English terms with quotations",
        "en:Mathematics"
      ],
      "examples": [
        {
          "ref": "2016, Tatsuo Nishitani, “On the Cauchy problem for differential operators with double characteristics, transition from effective to non-effective characteristics”, in arXiv",
          "text": "Then we prove the well-posedness of the Cauchy problem in all Gevrey classes assuming, on the double characteristic manifold, that the ratio of the imaginary part of the subprincipal symbol to the real eigenvalue of the Hamilton map is bounded and that the sum of the real part of the subprincipal symbol and the modulus of the imaginary eigenvalue of the Hamilton map is strictly positive..",
          "type": "quotation"
        }
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ]
      ],
      "raw_glosses": [
        "(mathematics)"
      ],
      "tags": [
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        "not-comparable"
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      "topics": [
        "mathematics",
        "sciences"
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    }
  ],
  "word": "subprincipal"
}

{
  "categories": [
    "English adjectives",
    "English countable nouns",
    "English entries with incorrect language header",
    "English lemmas",
    "English nouns",
    "English terms prefixed with sub-",
    "English uncomparable adjectives"
  ],
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "principal"
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      "expansion": "sub- + principal",
      "name": "prefix"
    }
  ],
  "etymology_text": "sub- + principal",
  "forms": [
    {
      "form": "subprincipals",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "subprincipal (plural subprincipals)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "glosses": [
        "A subordinate principal; vice-principal."
      ],
      "links": [
        [
          "subordinate",
          "subordinate"
        ],
        [
          "principal",
          "principal"
        ],
        [
          "vice-principal",
          "vice-principal"
        ]
      ]
    }
  ],
  "word": "subprincipal"
}