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| 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 screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
aggregation ag·gre·ga·tion (āg'rĭ-gā'shən)
n.
A massing together or clustering of independent but similar units, such as particles, parts, or bodies.