高こう気き圧あつ酸さん素そ治ち療りょうMeaningsNoun1. hyperbaric oxygen therapy; HBOTKanji used高high気state of mind圧pressure酸acid素elementary治rein in療therapyComposed of高こう気き圧あつhigh (atmospheric) pressure; high-pressure system; high-pressure zone; anticycloneNoun酸さん素そoxygen (O)Noun治ち療りょう(medical) treatment; care; therapy; cure; remedyNoun