nt]
| 1. | the act of replacing. |
| 2. | a person or thing that replaces another: summer replacements for vacationing staff; a replacement for a broken dish. |
| 3. | Military. a sailor, soldier, or airman assigned to fill a vacancy in a military unit. |
| 4. | Also called metasomatism. Geology. the process of practically simultaneous removal and deposition by which a new mineral grows in the body of an old one. |