pseudogroup

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English

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Etymology

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From pseudo- +‎ group.

Pronunciation

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  • Audio (US):(file)

Noun

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English Wikipedia has an article on:
Wikipedia

pseudogroup (plural pseudogroups)

  1. (mathematics) An algebraic structure having elements that are homeomorphisms between subsets of a space
  2. (chemistry) Any group of the extended periodic table containing lanthanides or actinides