refraction

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. the change in direction of a propagating wave (light or sound) when passing from one medium to another
• Derivationally related forms:
refract
• Hypernyms:
physical phenomenon
• Hyponyms:
double refraction, birefringence
2. the amount by which a propagating wave is bent
• Syn:
deflection, deflexion
• Hypernyms:
bending, bend

• Từ đồng nghĩa / Synonyms:
  deflection, deflexion