| 1. | differential (def. 7). |
| 2. | any of various comparable arrangements of gears, as an epicyclic train. |

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| 1. | of or pertaining to difference or diversity. |
| 2. | constituting a difference; distinguishing; distinctive: a differential feature. |
| 3. | exhibiting or depending upon a difference or distinction. |
| 4. | Physics, Machinery. pertaining to or involving the difference of two or more motions, forces, etc. |
| 5. | Mathematics. pertaining to or involving a derivative or derivatives. |
| 6. | a difference or the amount of difference, as in rate, cost, quantity, degree, or quality, between things that are comparable. |
| 7. | Also called differential gear. Machinery. an epicyclic train of gears designed to permit two or more shafts to rotate at different speeds, as a set of gears in an automobile permitting the rear wheels to be driven at different speeds when the car is turning. |
| 8. | Mathematics.
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| 9. | Commerce.
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| 10. | Physics. the quantitative difference between two or more forces, motions, etc.: a pressure differential. |
| differential gear n. An arrangement of gears in an epicyclic train permitting the rotation of two shafts at different speeds, used on the rear axle of automotive vehicles to allow different rates of wheel rotation on curves. |
differential
In commodities trading, the premium or discount in the futures contract price caused by delivering a commodity that does not exactly meet the standards fixed by the exchange. Allowances for these differentials are included in the contract specifications.
See odd-lot differential.
differential (dĭf'ə-rěn'shəl) Pronunciation Key
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