From HomoExcelsior

1. The act of relaxing or the state of being relaxed. 2. 1 3. A loosening or slackening. 4. A reduction in strictness or severity. 5. The lengthening of inactive muscle or muscle fibers. 6. The return or adjustment of a system to equilibrium following displacement or abrupt change. 7. A method of solving equations in which the errors resulting from an initial approximation are reduced by succeeding approximations until all errors are within specified limits.

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