膛径 tángjìng caliber Definitions Defs Origin Strokes Stroke Words Sentences Sents 膛 táng hollow space (bound form) an inside cavity or hollow part of an object, such as the chamber of a gun or the firebox of a stove; often appears in 枪膛 qiāngtáng or 炉膛 lútáng径 徑 jìng noun diameter (bound form) the diameter of a circle; a straight line passing through the center of a circle
