"bicovariant" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bi",
        "3": "covariant"
      },
      "expansion": "bi- + covariant",
      "name": "prefix"
    }
  ],
  "etymology_text": "bi- + covariant",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "bicovariant (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms prefixed with bi-",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Covariant in two different ways."
      ],
      "id": "en-bicovariant-en-adj-kFHl~8hD",
      "links": [
        [
          "Covariant",
          "covariant"
        ]
      ],
      "tags": [
        "error-lua-exec",
        "not-comparable"
      ]
    }
  ],
  "word": "bicovariant"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "bi",
        "3": "covariant"
      },
      "expansion": "bi- + covariant",
      "name": "prefix"
    }
  ],
  "etymology_text": "bi- + covariant",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "bicovariant (not comparable)",
      "name": "en-adj"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
      "categories": [
        "English adjectives",
        "English entries with incorrect language header",
        "English lemmas",
        "English terms prefixed with bi-",
        "English uncomparable adjectives"
      ],
      "glosses": [
        "Covariant in two different ways."
      ],
      "links": [
        [
          "Covariant",
          "covariant"
        ]
      ],
      "tags": [
        "error-lua-exec",
        "not-comparable"
      ]
    }
  ],
  "word": "bicovariant"
}

{
  "called_from": "luaexec/683",
  "msg": "LUA error in #invoke('quote', 'quote_t', 'type=journal') parent ('Template:quote-journal', {1: 'en', 'year': '2015', 'date': '', 'author': 'Salih Celik', 'title': 'Bicovariant differential calculus on the superspace <math>\\\\mathbb{R}_q(1', 2: '2)</math>', 'journal': 'arXiv', 'url': 'http://arxiv.org/abs/1509.05876', 'doi': '', 'volume': '', 'issue': '', 'pages': '', 'passage': \"It is given a '''bicovariant''' differential calculus on the superspace.\"})",
  "path": [
    "bicovariant",
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    "#invoke"
  ],
  "section": "English",
  "subsection": "adjective",
  "title": "bicovariant",
  "trace": "[string \"quote\"]:2380: |2= is an alias of |year=; cannot specify a value for both"
}

{
  "called_from": "luaexec/683",
  "msg": "LUA error in #invoke('quote', 'quote_t', 'type=journal') parent ('Template:quote-journal', {1: 'en', 'year': '2015', 'date': '', 'author': 'Salih Celik', 'title': 'Bicovariant differential calculus on the superspace <math>\\\\mathbb{R}_q(1', 2: '2)</math>', 'journal': 'arXiv', 'url': 'http://arxiv.org/abs/1509.05876', 'doi': '', 'volume': '', 'issue': '', 'pages': '', 'passage': \"It is given a '''bicovariant''' differential calculus on the superspace.\"})",
  "path": [
    "bicovariant",
    "quote-journal",
    "#invoke",
    "#invoke"
  ],
  "section": "English",
  "subsection": "adjective",
  "title": "bicovariant",
  "trace": "[string \"quote\"]:2380: |2= is an alias of |year=; cannot specify a value for both"
}