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

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

an additive that enhances the effectiveness of medical treatment

drained of energy or effectiveness; extremely tired; completely exhausted

A building, room, or outdoor structure for the presentation of plays, films, or other dramatic performances, The quality or effectiveness of a theatrical production, A building appropriated to the representation of dramatic spectacles; a play-house

A number or grouping of things in the same category or within specified limits, Extent of perception, knowledge, experience, or ability, The maximum extent or distance limiting operation, action, or effectiveness, as of a sound, radio signal, instrument, firearm, or aircraft, intransitive verb_ To cover or have application to a number of things, To look over something or around an area or place, To assign to a particular category; classify