"cross-multiplication" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross-",
        "3": "multiplication"
      },
      "expansion": "cross- + multiplication",
      "name": "af"
    }
  ],
  "etymology_text": "From cross- + multiplication.",
  "forms": [
    {
      "form": "cross-multiplications",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "cross-multiplication (countable and uncountable, plural cross-multiplications)",
      "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": "other",
          "name": "English terms prefixed with cross-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Mandarin terms with non-redundant manual transliterations",
          "parents": [
            "Terms with non-redundant manual transliterations",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An instance, or the process, of cross-multiplying."
      ],
      "id": "en-cross-multiplication-en-noun-6iss4JKH",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "cross-multiply",
          "cross-multiply"
        ]
      ],
      "raw_glosses": [
        "(mathematics) An instance, or the process, of cross-multiplying."
      ],
      "synonyms": [
        {
          "word": "cross multiplication"
        }
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "code": "cmn",
          "lang": "Chinese Mandarin",
          "roman": "jiāochāxiāngchéng",
          "sense": "an instance, or the process, or cross-multiplying",
          "word": "交叉相乘"
        },
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "an instance, or the process, or cross-multiplying",
          "tags": [
            "feminine"
          ],
          "word": "regra de três"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "an instance, or the process, or cross-multiplying",
          "word": "laktawang palaramihan"
        },
        {
          "code": "uk",
          "lang": "Ukrainian",
          "roman": "perexrésne mnóžennja",
          "sense": "an instance, or the process, or cross-multiplying",
          "tags": [
            "neuter"
          ],
          "word": "перехре́сне мно́ження"
        }
      ]
    }
  ],
  "word": "cross-multiplication"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "cross-",
        "3": "multiplication"
      },
      "expansion": "cross- + multiplication",
      "name": "af"
    }
  ],
  "etymology_text": "From cross- + multiplication.",
  "forms": [
    {
      "form": "cross-multiplications",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "cross-multiplication (countable and uncountable, plural cross-multiplications)",
      "name": "en-noun"
    }
  ],
  "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 prefixed with cross-",
        "English uncountable nouns",
        "Mandarin terms with non-redundant manual transliterations",
        "en:Mathematics"
      ],
      "glosses": [
        "An instance, or the process, of cross-multiplying."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "cross-multiply",
          "cross-multiply"
        ]
      ],
      "raw_glosses": [
        "(mathematics) An instance, or the process, of cross-multiplying."
      ],
      "tags": [
        "countable",
        "uncountable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "cross multiplication"
    }
  ],
  "translations": [
    {
      "code": "cmn",
      "lang": "Chinese Mandarin",
      "roman": "jiāochāxiāngchéng",
      "sense": "an instance, or the process, or cross-multiplying",
      "word": "交叉相乘"
    },
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "an instance, or the process, or cross-multiplying",
      "tags": [
        "feminine"
      ],
      "word": "regra de três"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "an instance, or the process, or cross-multiplying",
      "word": "laktawang palaramihan"
    },
    {
      "code": "uk",
      "lang": "Ukrainian",
      "roman": "perexrésne mnóžennja",
      "sense": "an instance, or the process, or cross-multiplying",
      "tags": [
        "neuter"
      ],
      "word": "перехре́сне мно́ження"
    }
  ],
  "word": "cross-multiplication"
}