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準じゅん光こう速そく
Meanings
Noun
1. near-light speed; sub-light speed; speed approaching light
Kanji used
準
standard
光
ray
速
fast
Pitch accent
⚠
じゅ
んこ
うそく
Used in: 5
Composed of
semi-; quasi-; associate
① 光が伝わる速さ。真空中で毎秒 299,792,458メートル。記号c。