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Từ điển Oxford Learners Wordfinder Dictionary
radius
1. the length of a line segment between the center and circumference of a circle or sphere (Freq. 4) • Syn: r • Hypernyms: length • Hyponyms: semidiameter, radius of curvature • Part Holonyms: diameter, diam 2. a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) (Freq. 1) • Derivationally related forms: radial • Hypernyms: straight line 3. a circular region whose area is indicated by the length of its radius (Freq. 1) - they located it within a radius of 2 miles • Hypernyms: region, part 4. the outer and slightly shorter of the two bones of the human forearm • Derivationally related forms: radial • Hypernyms: arm bone • Part Holonyms: forearm 5. support consisting of a radial member of a wheel joining the hub to the rim • Syn: spoke, wheel spoke • Hypernyms: support • Part Holonyms: bicycle wheel, cartwheel, wagon wheel
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