¹ *Source: wiktionary.com*

### Definition of Semiangles

**1.** semiangle [n] - See also: semiangle

### Semiangles Pictures

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### Lexicographical Neighbors of Semiangles

### Literary usage of Semiangles

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

**1.** *Elements of Quaternions* by William Rowan Hamilton (1901)

"the relation between these two **semiangles**, of two osculating right cones, being
rigorously expressed by the formula, XXV. . . tan С = | tan HA new oblique ..."**2.** *Elements of Geometry* by Adrien Marie Legendre (1841)

"situated at any distance OC, and the perpendiculars OE, CB,ia the direction OC;
thus DOE and ACB will be the **semiangles** at the centre of the polygons ..."**3.** *Elements of Geometry* by Adrien Marie Legendre (1825)

"situated at any distance OC, and the perpendiculars OE, CB, in the direction OC;
thus DOE and ACB will be the **semiangles** at the centre of the polygons ..."**4.** *Elements of Geometry* by Adrien Marie Legendre (1819)

"E and ACB will be the **semiangles** at the centre of the polygons respectively, and
as these angles are nut equal, the lines CJ1, OD, being produced, ..."**5.** *Institutes of Natural Philosophy: Theoretical and Practical* by William Enfield, Alexander Ewing (1811)

"The **semiangles** of the earth's shadow, and of the moon's shadow, being each equal
to the sun's apparent semidiameter, the angles are equal to one another, ..."**6.** *A Dictionary of Mechanical Science, Arts, Manufactures, and Miscellaneous* by Alexander Jamieson (1829)

"The **semiangles** of the earth's shadow and of the moon's shadow, being each equal
to the sun's apparent •w/. ..."**7.** *A System of Mineralogy: Including an Extended Treatise on Crystallography* by James Dwight Dana (1837)

"X— — p v_ " V- - _ m3q — 7t — 3a" For the **semiangles** we may thence obtain, Cos.
i X= =2 ; cos. JY = '^? in which equations, ..."