Akademik

fulminating
Running a rapid course, worsening quickly.

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ful·mi·nat·ing -.nāt-iŋ adj fulminant <\fulminating infection>
ful·mi·na·tion .fu̇l-mə-'nā-shən, .fəl- n

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adj.
describing a condition or symptom that is of very sudden onset, severe, and of short duration.

Medical dictionary. 2011.