Pseudogroup

noun

noun ·Rare ·Advanced level

Definitions

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

Etymology

From pseudo- + group.

Related phrases

periodic table

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.