correction of an unstable part of the spine by joining two or more vertebrae; usually done surgically but sometimes done by traction or immobilization | the act of offering an improvement to replace a mistake; setting right |
| treatment of a specific defect |
| the act of disciplining |
| a drop in stock market activity or stock prices following a period of increases |
| a rebuke for making a mistake |
| something substituted for an error |
| a quantity that is added or subtracted in order to increase the accuracy of a scientific measure |