| SPHACELUS | • sphacelus n. (Medicine) gangrenous part. • sphacelus n. (Medicine) gangrene; slough. • SPHACELUS n. necrosis, mortification. |
| SPHAERITE | • sphaerite n. Alternative form of spherite. • SPHAERITE n. a hydrous aluminium phosphate. |
| SPHAGNOUS | • sphagnous adj. Pertaining to, or consisting of, sphagnum. • SPHAGNOUS adj. pertaining to moss of the genus Sphagnum, or bog moss. |
| SPHAGNUMS | • sphagnums n. Plural of sphagnum. • SPHAGNUM n. (Greek) a grayish moss. |
| SPHAIREES | • SPHAIREE n. (Australian) an alternative to tennis played on a very small court, e.g. a garage floor. |
| SPHENDONE | • sphendone n. (Historical) An Ancient Greek headband worn by women. • sphendone n. (Historical) An elliptical or semi-elliptical auditorium. • SPHENDONE n. (Greek) a headband or fillet worn by women in ancient Greece. |
| SPHENODON | • sphenodon n. The tuatara. • Sphenodon prop.n. A taxonomic genus within the family Sphenodontidae – the three species of tuatara. • SPHENODON n. a member of the Sphenodont group of lizards, to which the tuatara belongs. |
| SPHENOIDS | • sphenoids n. Plural of sphenoid. • SPHENOID n. a wedge-shaped bone. |
| SPHERICAL | • spherical adj. (Geometry) Shaped like a sphere. • spherical adj. (Geometry, not comparable) Of, or pertaining to, spheres. • spherical adj. (Mathematics) Of a coordinate system, specifying the location of a point in a plane by using a radius and two angles. |
| SPHERIEST | • SPHERY adj. resembling a sphere. |
| SPHEROIDS | • spheroids n. Plural of spheroid. • SPHEROID n. a body resembling or approximating to a sphere in shape. |
| SPHERULAR | • spherular adj. Being or relating to a spherule. • SPHERULAR adj. like a spherule or small sphere. |
| SPHERULES | • spherules n. Plural of spherule. • SPHERULE n. a small sphere. |
| SPHINCTER | • sphincter n. (Anatomy) A ringlike band of muscle that surrounds a bodily opening (such as the anus or the openings… • SPHINCTER n. a ringlike muscle whose contraction narrows or shuts an orifice, e.g. the anus. |
| SPHINGIDS | • sphingids n. Plural of sphingid. • SPHINGID n. a member of the Sphingidae family, hawkmoths. |
| SPHYGMOID | • sphygmoid adj. Pulse-like. • SPHYGMOID adj. like a pulse. |