the branch of geometry concerned with the properties of figures formed on the surface of a sphere
spherical geometry in American English
the study of the geometry of figures drawn on a sphere
spherical geometry in American English
noun
the branch of geometry that deals with figures on spherical surfaces
Word origin
[1720–30]This word is first recorded in the period 1720–30. Other words that entered Englishat around the same time include: cordon bleu, deadwood, personify, saloon, syllabic
Examples of 'spherical geometry' in a sentence
spherical geometry
Phytoplankton cells are modeled by a two-layered spherical geometry representing a chloroplast surrounding the cytoplasm.
Lucile Duforêt-Gaurier, David Dessailly, William Moutier, Hubert Loisel 2018, 'Assessing the Impact of a Two-Layered Spherical Geometry of Phytoplankton Cells onthe Bulk Backscattering Ratio of Marine Particulate Matter', Applied Scienceshttps://www.mdpi.com/2076-3417/8/12/2689. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For example, when in spherical geometry a loxodrome rolls on a circle, both asymptotic points trace circular involutes.
Hellmuth STACHEL, Giorgio FIGLIOLINI, Jorge ANGELES 2019, 'THE LOGARITHMIC SPIRAL AND ITS SPHERICAL COUNTERPART', Journal of Industrial Design and Engineering Graphicshttp://sorging.ro/jideg/index.php/jid/article/view/484. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)