noun🔗Share周囲The sum of the distance of all the lengths of the sides of an object."The perimeter of the rectangular garden is 20 meters. "長方形の庭の周囲は20メートルです。mathareaChat with AIVocabulary GamePractice Reading
noun🔗Share周囲The length of such a boundary."The perimeter of the garden is 20 meters. "庭の周囲は20メートルです。mathareaChat with AIVocabulary GamePractice Reading
noun🔗Share周囲, 外周The outer limits of an area."The security guard walked the perimeter of the building every hour. "警備員は毎時建物の外周を歩いた。areamathChat with AIVocabulary GamePractice Reading
noun🔗Share周囲, 境界線A fortified strip or boundary usually protecting a military position."The soldiers patrolled the perimeter of the base, ensuring no one could get close undetected. "兵士たちは基地の周囲をパトロールし、誰も気づかれずに近づけないようにした。militarywarpositionChat with AIVocabulary GamePractice Reading
noun🔗Share視野計An instrument for determining the extent and shape of the field of vision."The optometrist used the perimeter to check the extent of Sarah's field of vision. "検眼医はサラの視野の範囲を調べるために視野計を使用しました。medicinephysiologydeviceChat with AIVocabulary GamePractice Reading
