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despeciation

noun — 2 senses

despeciation

noun

Etymology From de- + speciation.

1

Biology, Natural sciences, Taxonomy The loss of a unique species of animal due to its combining with another previously distinct species.

2

Biology, Immunology, Medicine, Natural sciences, Physiology, Sciences The loss of antigenic specificity in an antigen or an antibody thereto.

Antonyms
speciation

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.