"straight angle" meaning in English

{
  "forms": [
    {
      "form": "straight angles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "straight angle (plural straight angles)",
      "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": "Geometry",
          "orig": "en:Geometry",
          "parents": [
            "Mathematics",
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
          "parents": [
            "Formal sciences",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "An angle that is equal to 180° (pi radians or two right angles)."
      ],
      "id": "en-straight_angle-en-noun-6qE6e0uj",
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "geometry",
          "geometry"
        ],
        [
          "pi",
          "pi"
        ],
        [
          "radian",
          "radian"
        ],
        [
          "right angle",
          "right angle"
        ]
      ],
      "raw_glosses": [
        "(mathematics, geometry) An angle that is equal to 180° (pi radians or two right angles)."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ],
      "translations": [
        {
          "alt": "zāwiya(t) mustaqīma",
          "code": "ar",
          "lang": "Arabic",
          "sense": "angle equal to 180°",
          "tags": [
            "feminine"
          ],
          "word": "زَاوِيَة مُسْتَقِيمَة"
        },
        {
          "code": "bg",
          "lang": "Bulgarian",
          "roman": "izpráven ǎ́gǎl",
          "sense": "angle equal to 180°",
          "word": "изпра́вен ъ́гъл"
        },
        {
          "code": "fi",
          "lang": "Finnish",
          "sense": "angle equal to 180°",
          "word": "oikokulma"
        },
        {
          "code": "fr",
          "lang": "French",
          "sense": "angle equal to 180°",
          "tags": [
            "masculine"
          ],
          "word": "angle plat"
        },
        {
          "code": "he",
          "lang": "Hebrew",
          "roman": "zavít shtuḥá",
          "sense": "angle equal to 180°",
          "tags": [
            "feminine"
          ],
          "word": "זָוִית שְׁטוּחַה"
        },
        {
          "code": "hu",
          "lang": "Hungarian",
          "sense": "angle equal to 180°",
          "word": "egyenesszög"
        },
        {
          "code": "it",
          "lang": "Italian",
          "sense": "angle equal to 180°",
          "tags": [
            "masculine"
          ],
          "word": "angolo piatto"
        },
        {
          "code": "mk",
          "lang": "Macedonian",
          "roman": "rámen ágol",
          "sense": "angle equal to 180°",
          "tags": [
            "masculine"
          ],
          "word": "ра́мен а́гол"
        },
        {
          "code": "pl",
          "lang": "Polish",
          "sense": "angle equal to 180°",
          "tags": [
            "masculine"
          ],
          "word": "kąt półpełny"
        },
        {
          "code": "ru",
          "lang": "Russian",
          "roman": "razvjórnutyj úgol",
          "sense": "angle equal to 180°",
          "tags": [
            "masculine"
          ],
          "word": "развёрнутый у́гол"
        },
        {
          "code": "sk",
          "lang": "Slovak",
          "sense": "angle equal to 180°",
          "word": "priamy uhol"
        },
        {
          "code": "sv",
          "lang": "Swedish",
          "sense": "angle equal to 180°",
          "tags": [
            "common-gender"
          ],
          "word": "rak vinkel"
        },
        {
          "code": "tl",
          "lang": "Tagalog",
          "sense": "angle equal to 180°",
          "word": "sihang ladlad"
        }
      ]
    }
  ],
  "word": "straight angle"
}

{
  "forms": [
    {
      "form": "straight angles",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "straight angle (plural straight angles)",
      "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",
        "en:Geometry",
        "en:Mathematics"
      ],
      "glosses": [
        "An angle that is equal to 180° (pi radians or two right angles)."
      ],
      "links": [
        [
          "mathematics",
          "mathematics"
        ],
        [
          "geometry",
          "geometry"
        ],
        [
          "pi",
          "pi"
        ],
        [
          "radian",
          "radian"
        ],
        [
          "right angle",
          "right angle"
        ]
      ],
      "raw_glosses": [
        "(mathematics, geometry) An angle that is equal to 180° (pi radians or two right angles)."
      ],
      "topics": [
        "geometry",
        "mathematics",
        "sciences"
      ]
    }
  ],
  "translations": [
    {
      "alt": "zāwiya(t) mustaqīma",
      "code": "ar",
      "lang": "Arabic",
      "sense": "angle equal to 180°",
      "tags": [
        "feminine"
      ],
      "word": "زَاوِيَة مُسْتَقِيمَة"
    },
    {
      "code": "bg",
      "lang": "Bulgarian",
      "roman": "izpráven ǎ́gǎl",
      "sense": "angle equal to 180°",
      "word": "изпра́вен ъ́гъл"
    },
    {
      "code": "fi",
      "lang": "Finnish",
      "sense": "angle equal to 180°",
      "word": "oikokulma"
    },
    {
      "code": "fr",
      "lang": "French",
      "sense": "angle equal to 180°",
      "tags": [
        "masculine"
      ],
      "word": "angle plat"
    },
    {
      "code": "he",
      "lang": "Hebrew",
      "roman": "zavít shtuḥá",
      "sense": "angle equal to 180°",
      "tags": [
        "feminine"
      ],
      "word": "זָוִית שְׁטוּחַה"
    },
    {
      "code": "hu",
      "lang": "Hungarian",
      "sense": "angle equal to 180°",
      "word": "egyenesszög"
    },
    {
      "code": "it",
      "lang": "Italian",
      "sense": "angle equal to 180°",
      "tags": [
        "masculine"
      ],
      "word": "angolo piatto"
    },
    {
      "code": "mk",
      "lang": "Macedonian",
      "roman": "rámen ágol",
      "sense": "angle equal to 180°",
      "tags": [
        "masculine"
      ],
      "word": "ра́мен а́гол"
    },
    {
      "code": "pl",
      "lang": "Polish",
      "sense": "angle equal to 180°",
      "tags": [
        "masculine"
      ],
      "word": "kąt półpełny"
    },
    {
      "code": "ru",
      "lang": "Russian",
      "roman": "razvjórnutyj úgol",
      "sense": "angle equal to 180°",
      "tags": [
        "masculine"
      ],
      "word": "развёрнутый у́гол"
    },
    {
      "code": "sk",
      "lang": "Slovak",
      "sense": "angle equal to 180°",
      "word": "priamy uhol"
    },
    {
      "code": "sv",
      "lang": "Swedish",
      "sense": "angle equal to 180°",
      "tags": [
        "common-gender"
      ],
      "word": "rak vinkel"
    },
    {
      "code": "tl",
      "lang": "Tagalog",
      "sense": "angle equal to 180°",
      "word": "sihang ladlad"
    }
  ],
  "word": "straight angle"
}