perh - phos
- peroxyacetic acid
- peroxybenzoic
- peroxybenzoic acid
- peroxycarboxylic acid
- peroxyd
- peroxyformic
- peroxyformic acid
- peroxymonosulphuric acid
- peroxysulfate
- perphanazine
- perphenazine
- perphosphate
- perphosphoric
- perphosphoric acid
- perrhenate
- perrhenic
- perrhenic acid
- perrhutenate
- perrotine
- perrutenate
- perrutenic
- perrutenic acid
- persalt
- persian gulf oxide
- Persian red
- persian red
- persistent agent
- persistent cloud
- persistent elongation
- persistex
- persisting elongation
- personnel survival equipment
- persorption
- persorption mixture
- persoz pendulum hardness
- perspiration fastness
- perstillation
- persulfate
- persulphate
- persulphuric
