[dahy-nel] 
| 1. | a brand of modacrylic fiber used in textiles, characterized chiefly by its strength, rapid drying rate, and noncombustibility. |
| 2. | yarn or fabric made of this fiber. |
| Dy·nel (dī-něl') A trademark used for a copolymer of vinyl chloride and acrylonitrile employed in making fire-resistant, insect-resistant, easily dyed textile fiber. |