noun🔗Share四分円, 象限One of the four sections made by dividing an area with two perpendicular lines."The map divided the city into four quadrants, making it easier to locate different neighborhoods. "地図は都市を四つの象限に分割し、さまざまな地区を特定しやすくしました。mathareaspacenumberChat with AIVocabulary GamePractice Reading
noun🔗Share象限One of the four regions of the Cartesian plane bounded by the x-axis and y-axis."In math class, we learned that the point (3, -2) is located in the fourth quadrant of the graph. "数学の授業で、点（3、-2）がグラフの第4象限にあることを学びました。mathspaceChat with AIVocabulary GamePractice Reading
noun🔗Share四分円, 象限One fourth of a circle or disc; a sector with an angle of 90°."The map of the park was divided into four quadrants, each representing a different section of the playground. "公園の地図は4つの象限に分割され、それぞれが遊び場の異なる区画を表していました。mathspaceChat with AIVocabulary GamePractice Reading
noun🔗Share四分儀A measuring device with a graduated arc of 90° used in locating an altitude."The sailor used the quadrant to measure the angle of the sun above the horizon, helping him determine the ship's position. "船乗りは、地平線上の太陽の角度を測定するために四分儀を使用し、船の位置を特定するのに役立てました。astronomynauticaldevicemathsciencetechnologypositionChat with AIVocabulary GamePractice Reading
