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| 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. |
| flavor (flā'vər) Pronunciation Key
Any of six classifications of quark varieties, distinguished by mass and electric charge. The flavors have the names up, down, strange, charm, top, and bottom. Protons in atomic nuclei are composed of two up quarks and one down quark, while neutrons consist of one up quark and two down quarks. The flavor of a quark may be changed in interactions involving the weak force. |