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solid geometry

American  

noun

  1. the geometry of solid figures; geometry of three dimensions.

solid geometry British  

noun

  1. the branch of geometry concerned with the properties of three-dimensional geometric figures

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
solid geometry Scientific  

  1. The branch of mathematics that deals with three-dimensional figures and surfaces.

Etymology

Origin of solid geometry

First recorded in 1725–35

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The totality is a study in solid geometry, demonstrating the various ways an almost-identical thing can be made different.

From Washington Post • Jul. 1, 2022

So a lot of mathematics, such as solid geometry, was just built up from studying space.

From Scientific American • Apr. 5, 2022

Ulysses is an epic constructed on the principles of solid geometry, a synthetic dissection.

From Time Magazine Archive

Plane and solid geometry are merged, allowing simultaneous treatment of a problem in two and three dimensions.

From Time Magazine Archive

He got carried away by things; for example, he was so fascinated by the tilting planes of solid geometry that he did almost as badly in trigonometry as I did myself.

From "A Separate Peace" by John Knowles

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.