What is the science definition for contract?

Answer 1

contraction is is the decreasing of size in solids when cooled

Answer 2

In science, a contract is a legally binding agreement between two or more parties that outlines specific terms and conditions for a transaction, research project, or collaboration. The terms of the contract typically include obligations, rights, and responsibilities for each party involved.

Answer 3

To shrink, draw into itself, make itself smaller.