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Definition of Gyroidal
1. a. Spiral in arrangement or action.
Definition of Gyroidal
1. Adjective. Spiral in arrangement or action. ¹
2. Adjective. (crystallography) Having the planes arranged spirally, so that they all incline to the right (or left) of a vertical line; said of certain hemihedral forms. ¹
3. Adjective. Turning the plane of polarization circularly or spirally to the right or left. ¹
¹ Source: wiktionary.com
Definition of Gyroidal
1. spiral in arrangement [adj]
Medical Definition of Gyroidal
1.
1. Spiral in arrangement or action.
2.
Lexicographical Neighbors of Gyroidal
Literary usage of Gyroidal
Below you will find example usage of this term as found in modern and/or classical literature:
1. Elementary Crystallography: Being Part One of General Mineralogy by William Shirley Bayley (1910)
"The new forms are known as gyroidal, parallel, or pentagonal, and inclined or
tetrahedral. ... Although gyroidal ..."
2. Lecture Notes on General and Special Mineralogy by Frank Robertson Van Horn (1903)
"A selection of alternate planes producing gyroidal or plagio- hedral ... In order
to apply the gyroidal method to these forms, we will regard them as ..."
3. A Text Book of Mineralogy: With an Extended Treatise on Crystallography and by Edward Salisbury Dana (1884)
"... (gyroidal), as common on quartz, having the gen • eral symbol ж" Mathematical
Relations of Hie Hexagonal System. In the Hexagonal System, ..."
4. A Text-book of Mineralogy: With an Extended Treatise on Crystallography and by Edward Salisbury Dana, James Dwight Dana (1877)
"The 180 181 form is consequently gyroidal, the planes being inclined around the
prism, both above and below, and in the same direction at the two ..."
5. Introduction to the Study of Minerals: A Combined Textbook and Pocket Manual by Austin Flint Rogers (1912)
"210 to 213 represent usual types of tetrahedrite crystals. Boracite, Fig. 508,
page 366 is also a good example of this class. ISOMETRIC gyroidal CLASS. ..."
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