"علم المثلثات" meaning in Arabic

{
  "forms": [
    {
      "form": "عِلْم اَلْمُثَلَثَات",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʕilm al-muṯalaṯāt",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "عِلْم اَلْمُثَلَثَات",
        "2": "m"
      },
      "expansion": "عِلْم اَلْمُثَلَثَات • (ʕilm al-muṯalaṯāt) m",
      "name": "ar-noun"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Arabic entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ar",
          "name": "Mathematics",
          "orig": "ar:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "trigonometry"
      ],
      "id": "en-علم_المثلثات-ar-noun-AEhdGWpd",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "trigonometry",
          "trigonometry"
        ]
      ],
      "raw_glosses": [
        "(mathematics) trigonometry"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "ar:علم المثلثات"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʕilm al.mu.θa.la.θaːt/"
    }
  ],
  "word": "علم المثلثات"
}

{
  "forms": [
    {
      "form": "عِلْم اَلْمُثَلَثَات",
      "tags": [
        "canonical"
      ]
    },
    {
      "form": "ʕilm al-muṯalaṯāt",
      "tags": [
        "romanization"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "عِلْم اَلْمُثَلَثَات",
        "2": "m"
      },
      "expansion": "عِلْم اَلْمُثَلَثَات • (ʕilm al-muṯalaṯāt) m",
      "name": "ar-noun"
    }
  ],
  "lang": "Arabic",
  "lang_code": "ar",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Arabic entries with incorrect language header",
        "Arabic lemmas",
        "Arabic masculine nouns",
        "Arabic multiword terms",
        "Arabic nouns",
        "Arabic terms with IPA pronunciation",
        "ar:Mathematics"
      ],
      "glosses": [
        "trigonometry"
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "trigonometry",
          "trigonometry"
        ]
      ],
      "raw_glosses": [
        "(mathematics) trigonometry"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ],
      "wikipedia": [
        "ar:علم المثلثات"
      ]
    }
  ],
  "sounds": [
    {
      "ipa": "/ʕilm al.mu.θa.la.θaːt/"
    }
  ],
  "word": "علم المثلثات"
}