See also: 口徑

ChineseEdit

For pronunciation and definitions of – see 口徑.
(This term, 口径, is the simplified form of 口徑.)
Notes:

JapaneseEdit

Kanji in this term
こう
Grade: 1
けい
Grade: 4
on'yomi

NounEdit

口径 ‎(shinjitai kanji, kyūjitai kanji 口徑, hiragana こうけい, romaji kōkei)

  1. firearm caliber