Pertaining to, or designating, an acid of sulphur obtained by leading hydrogen sulphide into a solution of sulphur dioxide; -- so called because it contains five atoms of sulphur.
Vogais: eaioi
Consoantes: pntthnc
pentatonic, pentatomic, panteutonic, penitence, penitency, pantomimic, pontooning, panting, pending, punting.