Defn: Zinc sulphide; — called also blende, black-jack, false galena, etc. See Blende (a).
SPHENE
Sphene, n. Etym: [F. sphène, fr. Gr. (Min.)
Defn: A mineral found usually in thin, wedge-shaped crystals of a yellow or green to black color. It is a silicate of titanium and calcium; titanite.
SPHENETHMOID
Sphe*neth"moid, a. Etym: [Sphenoid + ethmoid.] (Anat.)
Defn: Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone; sphenethmoidal. Sphenethmoid bone (Anat.), a bone of the skull which surrounds the anterior end of the brain in many amphibia; the girdle bone.
SPHENETHMOID
Sphe*neth"moid, n. (Anat.)
Defn: The sphenethmoid bone.
SPHENETHMOIDAL
Sphe`neth*moid"al, a. (Anat.)
Defn: Relating to the sphenoethmoid bone; sphenoethmoid.
SPHENISCAN
Sphe*nis"can, n. (Zoöl.)