point group

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noun Crystallography.

a class of crystals determined by a combination of their symmetry elements, all crystals left unchanged by a given set of symmetry elements being placed in the same class.

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Also called symmetry class.

Origin of point group

First recorded in 1900–05

Words nearby point group

Pointe-Noire, pointer, Pointers, point estimate, point estimation, point group, point guard, pointillé, pointillism, pointillistic, pointing

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use point group in a sentence

Before anti-vaxxers, there were anti-fluoriders: a group who spread fear about the anti-tooth decay agent added to drinking water.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
The citizens of Stevens Point defeated fluoridation by a healthy margin.
Anti-Fluoriders Are The OG Anti-Vaxxers|Michael Schulson|July 27, 2016|DAILY BEAST
Deep, situational, and emotional jokes based on what is relevant and has a POINT!
Trolls and Martyrdom: Je Ne Suis Pas Charlie|Arthur Chu|January 9, 2015|DAILY BEAST
To borrow an old right-wing talking point, these people are angry no matter what we do.
Harry Shearer on The Dangerous Business of Satire|Lloyd Grove|January 8, 2015|DAILY BEAST

Asian-Americans are a group of persuadable swing voters, growing faster than any other group in America today.
Asian-Americans Are The New Florida|Tim Mak|January 8, 2015|DAILY BEAST
This is the first and principal point at which we can stanch the wastage of teaching energy that now goes on.
The Salvaging Of Civilisation|H. G. (Herbert George) Wells
His also was the intellectual point of view, and the intellectual interest in knowledge and its deductions.
The Mediaeval Mind (Volume II of II)|Henry Osborn Taylor
Judged from this point of view only, the elasticity provided by the new law is doubtless adequate.
Readings in Money and Banking|Chester Arthur Phillips
That is the only point in which one sees Liszt's sense of his own greatness; otherwise his manner is remarkably unassuming.
Music-Study in Germany|Amy Fay
When we speak against one capital vice, we ought to speak against its opposite; the middle betwixt both is the point for virtue.
Pearls of Thought|Maturin M. Ballou

British Dictionary definitions for point group

point group

noun

crystallog another term for crystal class

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