### Definition of Semidiameters

1. Noun. (plural of semidiameter) ¹

¹ Source: wiktionary.com

### Semidiameters Pictures

Click the following link to bring up a new window with an automated collection of images related to the term: Semidiameters Images

### Literary usage of Semidiameters

Below you will find example usage of this term as found in modern and/or classical literature:

1. A Manual of Spherical and Practical Astronomy: Embracing the General by William Chauvenet (1874)
"... A = h' — D' or, when the star has been referred to a point nearer than the visible horizon, h = h' - D" semidiameters OF CELESTIAL BODIES. 128. ..."

2. A Manual of Spherical and Practical Astronomy: Embracing the General by William Chauvenet (1900)
"... THE MEAN semidiameters OF THE PLANETS. 435. The apparent equatorial semidiameter of a planet when its distance from the earth is equal to the earth's ..."

3. Text-book on Practical Astronomy by George Leonard Hosmer (1917)
"1.9619 9i".6 The discs of the sun and moon are circular, and their angular semidiameters are given for each day in the Ephemeris. ..."

4. A Treatise on Some New Geometrical Methods by James Booth (1873)
"Two semidiameters of a conic section and the chord joining their extremities contain a given area. The cume enveloped by this chord is a similar conic ..."

5. A Treatise on the Analytical Geometry of the Point, Line, Circle, and Conic by John Casey (1893)
"If any tangent meets two conjugate semidiameters of an ellipse, the rectangle under its segments is equal to the square of the parallel semi- diameter. 3. ..."

6. The Mathematical Theory of Eclipses According to Chauvenet's Transformation by Roberdeau Buchanan (1904)
"The semidiameters and Parallaxes.—The values of these given by CHAUVENET, on page 438, seem to need revision, the moon's least parallax being in error by at ..."

7. A Treatise on the Analytical Geometry of the Point, Line, Circle, and Conic by John Casey (1893)
"If any tangent meets two conjugate semidiameters of an ellipse, the rectangle under its segments is equal to the square of the parallel semi- diameter. 3. ..."