noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The reversion to seronegativity after seropositivity: the undoing of previous seroconversion (the process of this change or an instance of it), as a result either of recovery from illness or of loss of vaccination's effects. countable, uncountable

Antonyms

All antonyms

seroconversion

Etymology

From sero- + deconversion.

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