Similar words: fraction, diffraction, fractious, attraction, practitioner, interaction, action, reflection. Meaning: [rɪ'frækʃn] 
n. 1. the change in direction of a propagating wave (light or sound) when passing from one medium to another 2. the amount by which a propagating wave is bent.
n. 1. the change in direction of a propagating wave (light or sound) when passing from one medium to another 2. the amount by which a propagating wave is bent. 
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More similar words: fraction, diffraction, fractious, attraction, practitioner, interaction, action, reflection, faction, reaction, refrain, take action, benefaction, transaction, satisfaction, fracture, practice, practical, retractile, hyperactive, extracting, in practice, attractive, practically, interactive, out of practice, sharp practice, factious, factitious, reformation.