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.
An adverb is a word that changes or simplifies the meaning of a verb, adjective, other adverb, clause, or sentence.