To lose or cease a state of fever; to cool down from a feverish state.
From Latin 'de-' (away from) and 'fervescere' (to grow hot, ferment). The root 'ferv-' relates to heat and boiling, as in 'fervent' and 'fervor.'
When your fever finally breaks, you've experienced defervescence—and doctors track how quickly patients defervesce from high fevers as a sign of recovery or whether antibiotics are working.
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