| Noun | 1. | toner - a solution containing chemicals that can change the color of a photographic printsolution - a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution; "he used a solution of peroxide and water" |
| 2. | toner - a black or colored powder used in a printer to develop a xerographic image | |
| 3. | toner - a lotion for cleansing the skin and contracting the poreslotion - any of various cosmetic preparations that are applied to the skin |