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.
An adverbial is a word, phrase, or clause that performs the function of an adverb. Learn more with these examples and observations. An adverbial is a word, phrase, or clause that performs the function of an adverb. Learn more with these examples and observations. Adverbial Definition and Examples