[kuh
n-dish-uh-ner] 
| 1. | a person or thing that conditions. |
| 2. | something added to a substance to increase its usability, as a water softener. |
| 3. | a cream or liquid preparation applied to the hair or skin, esp. for its emollient qualities. |
| 4. | a trainer of athletes. |
| 5. | an air conditioner. |
| 6. | Textiles. a person who conditions fibers or fabrics. |
| con·di·tion·er (kən-dĭsh'ə-nər) n. One that conditions, especially an additive or application that improves the quality or usability of a substance: a soil conditioner; a hair conditioner. |