Pronunciation: ˈaŋɡ(ə)l ɒv;(ə)v rɪˈfrakʃ(ə)n
Parts of Speech: noun
the angle between a refracted ray and a line perpendicular to the surface between the two media at the point of refraction
Definition: Meaning of, don't mention it in English to Spanish dictionary.
Pronunciation: / dəʊnt ˈmɛnʃ(ə)n ɪt /