Both the time it will take for a drug to be effective, and the time it will take for it to leave the body completely, depend on a drug's half-life. The half-life is the amount of time necessary for the concentration of the drug in the bloodstream of the body to be reduced by one-half. The time it will take for a drug to reach a steady state, or full effectiveness, in the system is based on that half-life.
Definition. An adverb is the part of speech (or word class) that's primarily used to modify a verb, adjective, or other adverb. Adverbs can also modify prepositional phrases, subordinate clauses, and complete sentences. Adjective: adverbial. Positions of an Adverb.
adverb [ADVERB after verb , noun ADVERB] 1  If a group of people do something en masse, they do it all together and at the same time. 2  in a group, body, or mass; as a whole; all together. 3  in a group; as a whole; all together.