radius   (Sound)

The radius has 5 Senses.

• r, radius
• 半径, ラジウス, r
• the length of a line segment between the center and circumference of a circle or sphere
• 円または球の中心と円周の間の線分の長さ

• radius
• 半径, r
• a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere)
• 円の中心から円周まで（または球の中心から球面まで）の直線

• radius
• 半径
• a circular region whose area is indicated by the length of its radius; "they located it within a radius of 2 miles"
• 半径の長さで示される円形の区域

• radius
• 橈骨
• the outer and slightly shorter of the two bones of the human forearm
• 人の前腕の2つの骨のうち外側のやや短い方の骨

• spoke, wheel spoke, radius
• スポーク, 輻
• support consisting of a radial member of a wheel joining the hub to the rim
• ハブとリムをつなぐホイールの半径部の一部で成る支え