Clove oil and eugenol, one of the chemicals it contains, have long been used topically for toothache, but the U.S. Food and Drug Administration (FDA) has reclassified eugenol, downgrading its effectiveness rating. The FDA now believes there is not enough evidence to rate eugenol as effective for toothache pain.
Definition of exclude - deny (someone) access to a place, group, or privilege, remove from consideration Definition of exclude - deny (someone) access to a place, group, or privilege, remove from consideration
Exclusion of responsibility terms. It is possible to have a term in the contract that excludes one of the parties from responsibility for something that may go wrong in the performance of the contract or limits that responsibility. It is called an exclusion clause or an exemption clause.