Beta Blocker List: An Introduction. Beta blockers are prescription medications used to treat many different conditions, such as high blood pressure (hypertension) or irregular heart rhythms (arrhythmias). There are numerous different beta blockers available, and there are several important differences among the various beta blockers.
An adverb is a part of speech used to describe a verb, adjective, clause, or another adverb. It simply tells the readers how, where, when, or the degree at which something was done. 1  The manager accepted the challenge very nicely.  The italicized word is an adverb that describes nicely, which is another adverb.
a word or group of words that serves to modify a whole sentence, a verb, another adverb, or an adjective; for example, probably, easily, very, and happily respectively in the sentence They could probably easily envy the very happily married couple. (as modifier): an adverb marker.