radius vs semidiameter
semidiameter vs radiusradius and semidiameter both are nouns.
| Word | Noun | Adjective | Verb | Adverb |
|---|---|---|---|---|
| radius | Yes | No | No | No |
| semidiameter | Yes | No | No | No |
As nouns,
semidiameter is a hyponym of
radius; that is, semidiameter is a
word with a more specific, narrower meaning than
radius:
- radius: the length of a line segment between the center and circumference of a circle or sphere
- semidiameter: the apparent radius of a celestial body when viewed as a disc from the earth
Other hyponyms of radius include
radius of curvature.
| radius (noun) | semidiameter (noun) |
|---|---|
| support consisting of a radial member of a wheel joining the hub to the rim | the apparent radius of a celestial body when viewed as a disc from the earth |
| the length of a line segment between the center and circumference of a circle or sphere | |
| the outer and slightly shorter of the two bones of the human forearm | |
| a circular region whose area is indicated by the length of its radius | |
| a straight line from the center to the perimeter of a circle (or from the center to the surface of a sphere) |
Words related to "radius"
Words related to "semidiameter"
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