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Từ điển Oxford Learners Wordfinder Dictionary
radius



noun
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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