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Semidiameter
noun
Word Frequency:
0.0
Definitions
1.
noun
The apparent radius of a star etc, when viewed from Earth.
2.
noun
A radius: half of a diameter.
Synonyms
semi-major axis
circumdiameter
semimajor axis
semiminor axis
standard ruler
celestial sphere
diameter
semiaxis
semicircumference
sidereal year
midcircle
semisextile
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