Definition:
A warp dent, or simply dent, is the space within which each warp thread is held in place on a bead loom. The dent's form depends on the style of warp separator a particular model of loom uses.
Many beading looms use warp coils (also called warp springs) as warp separators. In those models, a dent is the space between one coil and the next in the spring. In other models of looms, a dent is the space between the teeth of a comb, between the threads on a bolt, or within a carved notch in the loom frame.
"Dents per inch" are commonly used to delineate the size of a warp separator, which controls how far apart the warp threads are spaced. A warp separator with 12 dents per inch holds warp threads farther apart than one with 18 dents per inch.
