| 1. | effecting an increase. |
| 2. | Electricity. serving to increase voltage: a step-up transformer. |
| 3. | (of a lease) allowing for gradual rent increases to the highest amount permissible. |
| 4. | an increase or rise in the rate or quantity of something. |

| step-up (stěp'ŭp') adj.
|
step-up