space group

noun

The set of all symmetry operations that can be applied to a given crystal without changing it.

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Meanings

nounspace group (plural space groups)

plural space groups

  1. chemistryThe set of all symmetry operations that can be applied to a given crystal without changing it.

    Dorothy also learned to identify the space group of a molecule, an essential prerequisite for finding the structure, by looking for spots that were missing from the regular array in an X-ray photograph.

    1998, Georgina Ferry, Dorothy Hodgkin: A Life
Cite this entry
APA

space group. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/space%20group

MLA

“space group.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/space%20group. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “space group,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/space%20group.

Source: space group on Wiktionary, CC BY-SA 4.0.