Though it was now dark, I knew he was awake; because I heard him fulminating strange anathemas at finding himself lying in a pool of water.
There are no more uses of "fulminate" in the book.
Show samples from other sources
"Vienna," says Volkheimer, and Neumann Two fulminates about Hapsburg palaces and Wiener schnitzel and girls whose vulvas taste like apple strudel.
Anthony Doerr -- All the Light We Cannot See
Cancer of that kind must be ghastly, those monstrous metastasizing cells so close to the brain—hideous little microscopic boll weevils invading cheek, sinuses, eye socket, jaw, filling the mouth with its fulminating virulence until the tongue, engulfed, rotted and fell dumb.