pyroballogy

[H]e was enabled, by the help of ſome marginal documents at the feet of the elephant, together with Gobeſius’s military architecture and pyroballogy, tranſlated from the Flemiſh, to form his diſcourse with paſſable perſpicuity.

1759, [Laurence Sterne], chapter III, in The Life and Opinions of Tristram Shandy, Gentleman, 2nd (1st London) edition, volume II, London: […] R[obert] and J[ames] Dodsley […], published 1760, →OCLC, page 18

[H]e threw a faithless cipher of moon into the sky, put beneath it a fatherless girl craving affection, and then helpless before the doom of his own contrivances watched in his mind, possibly on that very prom night or in a car parked on an overlook up in the Blue Ridge mountains, the hideous pyroballogy of some vile teenager with a hanging lip, his suspenders disengaged, prying off her gown with his grice-fingered hands and then bucking away like a country stink-cat, whereupon she— […]

1981, Alexander Theroux, Darconville’s Cat, Garden City, N.Y.: Doubleday, →ISBN, page 137

Pyroballogy, Lieutenant Drinkwater, is the art of throwing fire. 'Tis both scientific and alchemical, and that is why officers in my profession cannot purchase their commissions like the rest of the army, so it is. […] 'Tis an ancient art, this pyroballogy. Archimedes himself founded it at the siege of Syracuse and the Greeks had their own ballistic fireballs.

1984, Richard Woodman, “Powder and Shot: February 1801”, in The Bomb Vessel, London: John Murray, →ISBN; republished as The Bomb Vessel: A Nathaniel Drinkwater Novel (Mariner’s Library Fiction Classics), Dobbs Ferry, N.Y.: Sheridan House, 2000, →ISBN, part 1 (Tsar Paul), page 45

And how, by what law of mechanics, can such decisions contribute to the maintenance of its gyration? It is that they are taken suddenly and violently: explosions of disgust. It is what's called repulsion, one of the forces most commonly employed in pyroballogy.

1985, Kris Hemensley, editor, The Best of The Ear: The Ear in a Wheatfield 1973–76: A Portrait of a Magazine, Melbourne, Vic.: Rigmarole Books, →ISBN, page 20