Wordnet Synset 13914240-n

http://lila-erc.eu/data/lexicalResources/LatinWordNet/id/LexicalConcept/13914240-n an entity of type: LexicalConcept

the angle between a refracted ray and a line perpendicular to the surface between the two media at the point of refraction
Wordnet Synset 13914240-n 

data from the linked data cloud