Naphthylamine
Naph`thyl*am"ine\, n. (Chem.) One of two basic amido derivatives of naphthalene, C10H7.NH2, forming crystalline solids.| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
| 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. |
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