備長 びんちょう Meanings Noun binchō charcoal (i.e.: high-grade charcoal produced from ubame oak) See also: 備長炭 (びんちょうずみ). Kanji 備 prepare. Read as ビ. 長 long. Read as チョウ. Words containing 備長 備長炭 (びんちょうずみ) binchō charcoal Jinuma: Japanese Dictionary · Word lists