【医】 phosphology
【化】 ortho-phosphoric acid; phosphoric acid
【医】 orthophosphoric acid; phosphoric acid
oxygen
【医】 o; O2; oxy-; oxygen; oxygenium; phlogisticated gas
chemistry
【化】 chemistry
【医】 chemistry; chemo-; spagyric medicine
say; speak; talk; tell; explain; persuade; theory