determinede·ter·mine /dɪˈtɜːmən-ɜːr-/ verb [transitiveT]1to find out the facts about somethingInvestigators are still trying to determine the cause of the accident.
Experts have determined that the signature was forged.
2to make an official decision about somethingThe date of the court case has not yet been determined.
The agency is investigating diet products to determine if they pose a health hazard.
3LAW to decide the exact meaning of the conditions of a contract, for example when there are disagreements about itIf there is a contract of employment, the employee’s obligations were to be determined from the contract.
—determination noun [uncountableU]The final determination of how many employees will be laid off will be made in the next couple of weeks.