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| a chattering or flighty, light-headed person. |
| 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. |
| Main Entry: | polar molecule |
| Part of Speech: | n |
| Definition: | an asymmetric molecule with non-uniform positive and negative charges; also called dipole |
| Example: | A polar molecule has a partial positive charge in one part of the molecule and complementary negative charge in another part. |