| diffract | (verb) undergo diffraction | - |
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| fraction | (verb) perform a division | Synonyms: divide |
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| fractionate | (verb) obtain by a fractional process | - |
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| (verb) separate into constituents or fractions containing concentrated constituents | - |
| fracture | (verb) fracture a bone of | Synonyms: break |
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| (verb) become fractured | - |
| (verb) violate or abuse | - |
| (verb) break into pieces | - |
| (verb) interrupt, break, or destroy | - |
| infract | (verb) act in disregard of laws, rules, contracts, or promises | Synonyms: breach, break, go against, offend, transgress, violate |
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| refract | (verb) determine the refracting power of (a lens) | - |
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| (verb) subject to refraction | - |
| refracture | (verb) break (a bone) that was previously broken but mended in an abnormal way | - |
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