膨ぼう張ちょう度どMeaningsNoun1. dilation (of a sound wave in acoustics)Kanji used膨bulge張lengthen度degreesComposed of膨ぼう張ちょうexpansion; swelling; increase; growthNoun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