| 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. |
allomorphism al·lo·mor·phism (āl'ə-môr'fĭz'əm)
n.
A change in crystalline form that occurs without a change in chemical composition.