| Vascular graft | Graft such as blood vessels or heart valves. |
| Velour | "A medium weight, closely woven fabric with a thick pile. It can be made using either a plain weave or a satin weave construction. It resembles velvet, but has a lower cut pile. End uses include apparel, upholstery, and drapes." |
| Velvet | "A medium weight cut-pile constructed fabric in which the cut pile stands up very straight. It is woven using two sets of warp yarns; the extra set creates the pile. Velvet, a luxurious fabric, is commonly made with a filament fiber for high luster and sm |
| Velveteen | "A cotton cut-pile weave fabric, utilizing extra fill yarn construction, with either a twill or a plain weave back. The fabric is woven with two sets of filling yarns; the extra set creates the pile." |
| Venetian fabric | A smooth-faced satin weave wool fabric which has been cropped to reveal a fine diagonal twill. |
| Vertical lapping | "A process in which a web is fed downwards to form vertical layers alongside each other, thereby creating a corrugated structure (see also horizontal lapping)." |
| Viloft | "Acordis's brand name for a viscose fibre with a hollow cross-section which offers softness, extra bulk and absorbency." |
| Viscose | "The most common type of rayon. It is produced in much greater quantity than cuprammonium rayon, the other commercial type." |
| Viscose fibre | The generic name for a type of cellulosic fibre obtained by the viscose process. |
| Viscosity | The resistance of a liquid to flow. |
| Voile | "A crisp, lightweight, plain weave cotton-like fabric, made with high twist yarns in a high yarn count construction. Similar in appearance to organdy and organza. Used in blouses dresses and curtains." |
| Vulcanisation | A process in which rubber is treated with sulphur or sulphur compounds under heat and pressure to improve elasticity and strength. |