|a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.|
|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|1.||successive change from one condition or action to another and back again repeatedly|
|2.||logic another name for disjunction|
alternation al·ter·na·tion (ôl'tər-nā'shən, āl'-)
Successive change from one thing or state to another and back again.