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口こう径けい
Meanings
Noun
1. aperture; bore; calibre; caliber
Kanji used
口
mouth
径
diameter
Pitch accent
こ
うけい
Top 22400
Used in: 376
Composed of
mouth; speech; counter for people or implements
diameter
Used in vocabulary (3 in total)
small calibre; small caliber
vignetting
aperture ratio (inverse of the f-number); relative aperture