diffract
VerbUS[dih-frakt]/dɪˈfrækt/2 syllables
Open English WordNet
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Webster's Dictionary (1913)
Dif·fract′ transitive verb [past tense & past participle Diffracted; present participle & verbal noun Diffracting.]
Origin: L. diffractus, p. p. of diffringere to break in pieces; dif- = dis- + frangere to break. See Fracture.
To break or separate into parts; to deflect, or decompose by deflection, a… rays of light.
Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54