| Qiviut | Hair from the musk ox. Qiviut is finer and more expensive than cashmere. |
| Quantitative limit | See quota. |
| Quasi-isotropic laminates | Composite laminates with almost isotropic mechanical properties. |
| Quilting | "A fabric construction in which a layer of down or fiberfill is placed between two layers of fabric, and then held in place by stitching or sealing in a regular, consistent, all-over pattern on the goods." |
| Quota | A quantitative restraint imposed by an importing country on an exporting country - or established by agreement between the trading partners - which is designed to limit shipments of a product from the exporting to the importing country (see also MFA and A |