Definition of "fulminate" in English

verb

1. (intransitive, figuratively) To make a verbal attack.

2. (transitive, figuratively) To issue as a denunciation.

3. (intransitive) To thunder or make a loud noise.

4. (transitive, now rare) To strike with lightning; to cause to explode.

5. (figurative) to act as lightning, appearing quickly and destructively

noun

1. (chemistry) Any salt or ester of fulminic acid, mostly explosive.