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こうけい
Meanings
Noun
1. aperture; bore; calibre; caliber
Alt. forms
口こう径けい
100%
こうけい
Pitch accent
こ
うけい
Composed of
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