Despeciation

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The loss of a unique species of animal due to its combining with another previously distinct species. uncountable
  2. 2
    The loss of antigenic specificity in an antigen or an antibody thereto. uncountable

Etymology

From de- + speciation.

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