海波 Traditional form: 海波 Pinyin (reading): hǎibō Definitions: hypo (loanword) sodium thiosulfate Na2S2O3 used in fixing photos (formerly hyposulfite) wave (sea) Characters: 海 - sea, ocean; maritime 波 - waves, ripples, breakers; undulations Traditional characters: 海 - sea, ocean; maritime 波 - waves, ripples, breakers; undulations