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| the offspring of a zebra and a donkey. |
| 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. |
| sliding scale | |
| —n | |
| a variable scale according to which specified wages, tariffs, prices, etc, fluctuate in response to changes in some other factor, standard, or conditions | |
A set of rates that change according to a mathematical formula. The income tax, for example, is levied on a sliding scale, with the rich paying a higher percentage than the poor.