Sphacelus, sfas′e-lus, n. gangrene.—adjs. Sphac′elate, -d, necrosed.—ns. Sphacelā′tion, Sphacelis′mus, necrosis; Sphacelō′ma, a genus of fungi containing anthracnose. [Gr. sphakelos.]
Sphæridium, sfē-rid′i-um, n. one of the minute spheroidal bodies attached to the ambulacral plates of sea-urchins:—pl. Sphærid′ia. [Gr. sphairidion, dim. of sphaira, a sphere.]
Sphæristerium, sfē-ris-tē′ri-um, n. a tennis-court. [Gr.,—sphaira, a ball.]
Sphærite, sfē′rīt, n. a hydrous phosphate of aluminium.
Sphagnum, sfag′num, n. a genus of mosses—peat or bog-moss, belonging to the order Sphagnaceæ.—ns. Sphagnol′ogist, one who has studied the foregoing; Sphagnol′ogy, the study of the same.—adj. Sphag′nous. [Gr. sphagnos, moss.]
Sphecius, sfē′shi-us, n. a genus of digger-wasps. [Gr. sphēx, a wasp.]
Sphendone, sfen′dō-nē, n. an ancient Greek form of women's head-band: an elliptical or semi-elliptical auditorium. [Gr., a sling.]
Sphene, sfēn, n. titanite. [Fr.,—Gr. sphēn, wedge.]
Sphenic, sfē′nik, adj. wedge-like. [Gr. sphēn, a wedge.]
Spheniscus, sfē-nis′kus, n. a genus of penguins, of the family Spheniscidæ, the jackass-penguins.