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Definition of Semidiameter
1. Noun. The apparent radius of a celestial body when viewed as a disc from the earth.
Definition of Semidiameter
1. n. Half of a diameter; a right line, or the length of a right line, drawn from the center of a circle, a sphere, or other curved figure, to its circumference or periphery; a radius.
Definition of Semidiameter
1. Noun. (astronomy) The apparent radius of a star etc, when viewed from Earth ¹
2. Noun. (archaic obsolete) radius, half of a diameter ¹
¹ Source: wiktionary.com
Definition of Semidiameter
1. [n -S]
Medical Definition of Semidiameter
1.
Lexicographical Neighbors of Semidiameter
Literary usage of Semidiameter
Below you will find example usage of this term as found in modern and/or classical literature:
1. Navigation and Nautical Astronomy: The Practical Part, Containing Rules for by H. W. Jeans (1853)
"Correction or augmentation of the moon's horizontal semidiameter. The moon's
semidiameter given in the Nautical Almanac is the horizontal semidiameter. ..."
2. The Elements of Practical Astronomy by William Wallace Campbell (1899)
"semidiameter 33. When we observe a celestial body having a well- defined disk,
as in the case of the sun and moon, the measurements are made with reference ..."
3. Elements of Astronomy by Robert Stawell Ball (1880)
"The following values express the semidiameter of the sun when at its mean ...
960-90 Vertical semidiameter .... 960-37 1830. Bessel, by 1698 transits of the ..."
4. Elements of Astronomy by Robert Stawell Ball (1886)
"semidiameter of the Sun.—The following values express the semidiameter of the
... 960-90 Vertical semidiameter .... 960-37 1830. Bessel, by 1698 transits of ..."
5. A Treatise on Astronomy, Descriptive, Theoretical and Physical, Designed for by Horatio Nelson Robinson (1857)
"... paraj]ax js ^he semidiameter of the earth, as seen from the ... that what we
call the moon's wn.ai parai. semidiameter, an observer at the moon would ..."
6. A Handbook of Practical Astronomy for University Students and Engineers by William Wallace Campbell (1891)
"semidiameter. 33. When we observe a celestial body having a well-defined disk,
as in the case of the sun and moon, the measurements are made with reference ..."
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