| English > English |
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| speed up |
| 1. v. (idiomatic, intransitive) To accelerate; to increase speed. |
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| The car sped up as it went around the corner. |
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| 2. v. To increase the speed of something; to make something go faster. |
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| You shouldn't speed up your car when you go around corners. |
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| Analysis |
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| speed |
| 1. n. The state of moving quickly or the capacity for rapid motion; rapidity. |
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| How does Usain Bolt run at that speed? |
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| 2. n. The rate of motion or action, specifically (mathematics)/(physics) the magnitude of the velocity; the rate distance is traversed in a given time. |
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| 3. n. (photography) The sensitivity to light of film, plates or sensor. |
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| 4. n. (photography) The duration of exposure, the time during which a camera shutter is open. |
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| up |
| 1. adv. Away from the surface of the Earth or other planet; in opposite direction to the downward pull of gravity. |
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| I looked up and saw the airplane overhead. |
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| 2. adv. (intensifier) Used as an aspect marker to indicate a completed action or state Thoroughly, completely. |
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| I will mix up the puzzle pieces. |
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| Tear up the contract. |
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