concoidal

Updated: May 15, 2025

This advantage is undoubtedly due to the concoidal edge of the flaked glass operating upon the same principle that fluted-edged bread and bandage knives cut better than ordinary knives. In the same way we discovered that steel broad-heads sharpened by filing have a better meat-cutting edge than when ground on a stone.

Saxton Pope - Hunting with the Bow and Arrow