WordNet
radius
名詞
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半径 r ラジウス
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。
言い換え -
半径
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。
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半径
a circular region whose area is indicated by the length of its radius.
半径の長さで示される円形の区域。
- they located it within a radius of 2 miles
- 彼らは半径2マイル以内にそれを置いた
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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。
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スポーク
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。
言い換え