XyloidinXy*loid"in\, n. [Xylo- + -oid.] (Chem.) A substance resembling pyroxylin, obtained by the action of nitric acid on starch; -- called also nitramidin.
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|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.|