Search the dictionary A Chinese word or character, or English Draw a character Search 6 entries. bōcháng 波长 wavelength bōcháng 波長 wavelength guāngbōcháng 光波长 optical wavelength guāngbōcháng 光波長 optical wavelength duǎnbōcháng 短波长 short wavelength duǎnbōcháng 短波長 short wavelength