In textiles, pile is the raised surface or nap of a fabric, which is made of upright loops or strands of yarn. Examples of pile textiles are carpets, corduroy, velvet, plush, and Turkish towels. The word is derived from Latin pilus for "hair"
The surface and the yarn in these fabrics also called "pile". In particular "pile length" or "pile depth" refer to the length of the yarn strands (half-length of the loops).
The types of pile include:
- loop pile
- uncut pile
- cut pile
- knotted pile
- tufted pile
- woven pile
- cord pile
- twist pile
- "Pile." The Oxford English Dictionay. 2nd ed. 1989.
- "pile", Dictionary.com Unabridged (v 1.1). Random House, Inc. Retrieved 10 September 2007.
- "Pile," Online Etymology Dictionary. Douglas Harper, Historian. retrieved from dictionary.com 10 September 2007.