power to be effective; the quality of being able to bring about an effect

power to be effective; the quality of being able to bring about an effect

power to be effective; the quality of being able to bring about an effect

productive relative to the cost

productive relative to the cost

one who investigates insurance claims or claims for damages and recommends an effective settlement

one who investigates insurance claims or claims for damages and recommends an effective settlement

any substance that lessens the purity or effectiveness of a substance

any substance that lessens the purity or effectiveness of a substance

an additive that enhances the effectiveness of medical treatment