| SPHENDONES | • sphendones n. Plural of sphendone. • SPHENDONE n. (Greek) a headband or fillet worn by women in ancient Greece. |
| SPHENODONS | • sphenodons n. Plural of sphenodon. • SPHENODON n. a member of the Sphenodont group of lizards, to which the tuatara belongs. |
| SPHENODONT | • sphenodont n. (Zoology) Any member of the order Sphenodontida. • SPHENODONT n. a member of the Sphenodont group of lizards, to which the tuatara belongs. |
| SPHENOGRAM | • sphenogram n. A cuneiform character. • SPHENOGRAM n. a cuneiform character. |
| SPHENOIDAL | • sphenoidal adj. Synonym of sphenoid. • SPHENOIDAL adj. wedge-shaped, also SPHENOID. |
| SPHENOPSID | • sphenopsid n. Any horsetail of the former order Sphenopsida, now Equisetopsida. • SPHENOPSID n. any of a class of tracheophyte with jointed ribbed stems. |
| SPHERELESS | • sphereless adj. (Poetic) Without a sphere or spheres; planetless. • SPHERELESS adj. without a sphere. |
| SPHERELIKE | • spherelike adj. Resembling a sphere. • SPHERELIKE adj. like a sphere. |
| SPHERICITY | • sphericity n. (Chiefly uncountable) The quality of being spherical, being a sphere. • sphericity n. (Geometry, countable) The ratio of the surface area of a given particle to the surface area of a sphere… • SPHERICITY n. a descriptive term to describe how close a particle's shape is to a sphere. |
| SPHEROCYTE | • spherocyte n. (Cytology) A red blood cell that is spherical rather than biconcave, as occurs in spherocytosis. • SPHEROCYTE n. an abnormal red-blood cell that is spherical rather than disc-shaped. |
| SPHEROIDAL | • spheroidal adj. Like a spheroid; roughly spherical. • spheroidal n. A spheroid. • SPHEROIDAL adj. having the form of a spheroid. |
| SPHERULITE | • spherulite n. A minute spherical crystalline body having a radiated structure, observed in some vitreous volcanic… • SPHERULITE n. a radiating spherical group of minute crystalline fibres occurring in certain rocks. |