| HYPOSULPHATE | • hyposulphate n. (Inorganic chemistry) Alternative form of hyposulfate. • HYPOSULPHATE n. a dithionate. |
| HYPOSULPHITE | • hyposulphite n. Alternative spelling of hyposulfite. • HYPOSULPHITE n. a salt of hyposulphurous acid. |
| MESOHIPPUSES | • MESOHIPPUS n. an extinct mammal of the Horse family. |
| PERIMORPHOUS | • perimorphous adj. Perimorphic. • PERIMORPHOUS adj. like a perimorph, also PERIMORPHIC. |
| PHOSPHORUSES | • phosphoruses n. Plural of phosphorus. • PHOSPHORUS n. a chemical element. |
| PLEOMORPHOUS | • pleomorphous adj. Having or passing through many different forms. • PLEOMORPHOUS adj. occurring in several different forms, also PLEOMORPHIC. |
| PNEUMOGRAPHS | • pneumographs n. Plural of pneumograph. • PNEUMOGRAPH n. an instrument for measuring and recording respiration. |
| POLYSULPHIDE | • polysulphide n. (Chemistry) Alternative spelling of polysulfide. • POLYSULPHIDE n. a sulfide containing two or more atoms of sulfur in the molecule, also POLYSULFIDE. |
| PSEUDOGRAPHS | • pseudographs n. Plural of pseudograph. • PSEUDOGRAPH n. spurious writing; forgery. |
| PSEUDOGRAPHY | • pseudography n. False writing; forgery. • pseudography n. Incorrect spelling. • PSEUDOGRAPHY n. unsatisfactory spelling. |
| PSEUDOMORPHS | • pseudomorphs n. Plural of pseudomorph. • PSEUDOMORPH n. a false or abnormal physical form. |
| PYROPHORUSES | • PYROPHORUS n. any substance capable of igniting spontaneously on exposure to air. |
| PYROSULPHATE | • pyrosulphate n. (Inorganic chemistry, Britain) Alternative spelling of pyrosulfate. • PYROSULPHATE n. a salt of sulphur. |
| SUPERIORSHIP | • superiorship n. The monastic role or position of superior. • SUPERIORSHIP n. the office of superior. |
| UNWORSHIPPED | • unworshipped adj. Not worshipped. • UNWORSHIPPED adj. not worshipped. |
| XIPHOPAGUSES | • XIPHOPAGUS n. a set of Siamese twins joined in the region of the xiphoid cartilage. |