"zero morphism" meaning in English

{
  "forms": [
    {
      "form": "zero morphisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zero morphism (plural zero morphisms)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Category theory",
          "orig": "en:Category theory",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "The composition of a zero morphism with any morphism (that it is composable with) yields another zero morphism.",
          "type": "example"
        }
      ],
      "glosses": [
        "A morphism which is both a constant morphism and a coconstant morphism."
      ],
      "hypernyms": [
        {
          "word": "constant morphism"
        },
        {
          "word": "coconstant morphism"
        }
      ],
      "id": "en-zero_morphism-en-noun-shelWzAq",
      "links": [
        [
          "category theory",
          "category theory"
        ],
        [
          "constant morphism",
          "constant morphism"
        ],
        [
          "coconstant morphism",
          "coconstant morphism"
        ]
      ],
      "raw_glosses": [
        "(category theory) A morphism which is both a constant morphism and a coconstant morphism."
      ],
      "topics": [
        "category-theory",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "zero morphism"
      ]
    }
  ],
  "word": "zero morphism"
}

{
  "forms": [
    {
      "form": "zero morphisms",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "zero morphism (plural zero morphisms)",
      "name": "en-noun"
    }
  ],
  "hypernyms": [
    {
      "word": "constant morphism"
    },
    {
      "word": "coconstant morphism"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with usage examples",
        "en:Category theory"
      ],
      "examples": [
        {
          "text": "The composition of a zero morphism with any morphism (that it is composable with) yields another zero morphism.",
          "type": "example"
        }
      ],
      "glosses": [
        "A morphism which is both a constant morphism and a coconstant morphism."
      ],
      "links": [
        [
          "category theory",
          "category theory"
        ],
        [
          "constant morphism",
          "constant morphism"
        ],
        [
          "coconstant morphism",
          "coconstant morphism"
        ]
      ],
      "raw_glosses": [
        "(category theory) A morphism which is both a constant morphism and a coconstant morphism."
      ],
      "topics": [
        "category-theory",
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "zero morphism"
      ]
    }
  ],
  "word": "zero morphism"
}