diffract
From Longman Dictionary of Contemporary EnglishRelated topics: Opticsdiffractdif‧fract /dɪˈfrækt/ verb [transitive] technical HPOHPOto bend light or sound waves as they pass around something or through a hole → refract —diffraction /dɪˈfrækʃən/ noun [uncountable]→ See Verb tableExamples from the Corpusdiffract• As a result they diffract X-rays diffusely.