noun, adjective, verb, -mixed or -mixt, -mix⋅ing.| 1. | Also, pre⋅mix⋅ture [pree-miks-cher] . a mixture of ingredients, made before selling, using, etc.: The chain saw runs on a premix of oil and gasoline. |
| 2. | mixed prior to using, marketing, etc.; premixed: premix concrete. |
| 3. | to mix beforehand, as in advance of selling or using. |