perbromic acid
Technical term in chemistry; refers to the inorganic compound with formula HBrO₄.
Perbromic acid is known as a strong oxidizing agent.
Bromic acid (HBrO₃); perbromic acid has one more oxygen atom and is a stronger oxidizer.
Hypobromous acid (HBrO); a weaker bromine oxoacid with fewer oxygen atoms.
Compound of 過 (per-) + 臭素 (bromine) + 酸 (acid), following standard Japanese chemical nomenclature.