| 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. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
algicide al·gi·cide (āl'jĭ-sīd')
n.
A substance that kills or inhibits the growth of algae.