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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 children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| hypocycloid (ˌhaɪpəˈsaɪklɔɪd) | |
| —n | |
| epicycloid Compare cycloid a curve described by a point on the circumference of a circle as the circle rolls around the inside of a fixed coplanar circle | |
| hypocy'cloidal | |
| —adj | |
hypocycloid (hī'pō-sī'kloid') Pronunciation Key
(click for larger image in new window) The curve described by a point on the circumference of a circle as the circle rolls on the inside of the circumference of a second, fixed circle. |