直径

See also: 直徑

Chinese
For pronunciation and definitions of 直径 – see 直徑 (“diameter”).
(This term, 直径, is the simplified form of 直徑.)
Notes:

Japanese
Kanji in this term
直 径
ちょく > ちょっ
Grade: 2		 けい
Grade: 4
on’yomi

Noun

直径 (shinjitai kanji, kyūjitai kanji 直徑, hiragana ちょっけい, rōmaji chokkei)

  1. (geometry) diameter
    宇 (う)宙 (ちゅう)の直 (ちょっ)径 (けい)は約 (やく)930 (きゅうひゃくさんじゅう)億光年 (おくこうねん)だ。
    Uchū no chokkei wa yaku kyūhyakusanjū-oku kōnen da.
    The diameter of the universe is some ninety-three billion light years.
  2. (graph theory) diameter

References
  • 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.
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