直径

See also: 直徑

Chinese
For pronunciation and definitions of 直径 – see 直徑 (“diameter; etc.”).
(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
Alternative spelling
直徑 (kyūjitai)

Pronunciation
  • (Tokyo) ちょっけー [chòkkéé] (Heiban – [0])[1]
  • IPA(key): [t͡ɕo̞k̚ke̞ː]

Noun

直(ちょっ)径(けい) • (chokkei) 

  1. (geometry) diameter
    宇宙(うちゅう)の直径(ちょっけい)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

See also

References
  1. 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
  • 2002, Ineko Kondō; Fumi Takano; Mary E Althaus; et. al., Shogakukan Progressive Japanese-English Dictionary, Third Edition, Tokyo: Shōgakukan, →ISBN.
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