n]
| 1. | an act or instance of separating or the state of being separated. |
| 2. | a place, line, or point of parting. |
| 3. | a gap, hole, rent, or the like. |
| 4. | something that separates or divides. |
| 5. | Law.
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| 6. | Aerospace. the time or act of releasing a burned-out stage of a rocket or missile from the remainder. |
| 7. | Photography. separation negative. |
| Photography. a black-and-white negative of one of the additive primary colors used to form a color image. |