光こう速そく度どMeaningsNoun1. speed of lightKanji used光ray速fast度degreesPitch accentこうそくどComposed of光こう速そくspeed of lightNoun度どdegree (angle, temperature, scale, etc.); counter for occurrences; strength (of glasses); glasses prescription; alcohol content (percentage); alcohol by volume; extent; degree; limit; presence of mind; …Noun