| sphagnum | <botany> A genus of mosses having white leaves slightly tinged with red or green and found growing in marshy places; bog moss; peat moss. Origin: NL, fr/ Gr. A kind of moss. Source: Websters Dictionary (01 Mar 1998) |
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| sphagnum moss | A highly absorbent moss used as a substitute for absorbent cotton or gauze in surgical dressing and sanitary napkins. Synonym: muskeag moss, peat moss. (05 Mar 2000) |
| sphalerite | <chemical> Zinc sulphide; called also blende, black-jack, false galena, etc. See Blende . Origin: Gr. Slippery, uncertain. See Blende. Source: Websters Dictionary (01 Mar 1998) |
| sphene | <chemical> A mineral found usually in thin, wedge-shaped crystals of a yellow or green to black colour. It is a silicate of titanium and calcium; titanite. Origin: F. Sphene, fr. Gr. A wedge. Source: Websters Dictionary (01 Mar 1998) |
| sphenethmoid | <anatomy> Of or pertaining to both the sphenoidal and the ethmoidal regions of the skull, or the sphenethmoid bone. <zoology> Sphenethmoid bone, a bone of the skull which surrounds the anterior end of the brain in many amphibia; the girdle bone. Origin: Sphenoid + ethmoid. (20 Mar 1998) |
| sphenethmoidal | <anatomy> Relating to the sphenoethmoid bone; sphenoethmoid. Source: Websters Dictionary (01 Mar 1998) |
| sphenion | The tip of the sphenoidal angle of the parietal bone; a craniometric point. Origin: Mod. L. Fr. G. Sphen, wedge, + dim. -ion (05 Mar 2000) |
| spheniscan | <zoology> Any species of penguin. Source: Websters Dictionary (01 Mar 1998) |
| spheno- | <anatomy, prefix> A combining form used in anatomy to indicate connection with, or relation to, the sphenoid bone; as in sphenomaxillary, sphenopalatine. (29 Oct 1998) |
| spheno-occipital | Relating to the sphenoid bone and the basilar process of the occipital bone. Synonym: spheno-occipital, sphenoccipital. (05 Mar 2000) |
| spheno-occipital joint | Cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year; incorrectly called spheno-occipital suture. Synonym: synchondrosis spheno-occipitalis, spheno-occipital joint, spheno-occipital suture. (05 Mar 2000) |
| spheno-occipital suture | Cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year; incorrectly called spheno-occipital suture. Synonym: synchondrosis spheno-occipitalis, spheno-occipital joint, spheno-occipital suture. (05 Mar 2000) |
| spheno-occipital synchondrosis | Cartilaginous union between the body of the sphenoid and the basilar portion of the occipital; it fuses by the twentieth year; incorrectly called spheno-occipital suture. Synonym: synchondrosis spheno-occipitalis, spheno-occipital joint, spheno-occipital suture. (05 Mar 2000) |
| spheno-orbital suture | Articulation between the orbital process of the palatine bone and the outer surface of the body of the sphenoid. Synonym: sutura spheno-orbitalis. (05 Mar 2000) |
| sphenobasilar | Relating to the sphenoid bone and the basilar process of the occipital bone. Synonym: spheno-occipital, sphenoccipital. (05 Mar 2000) |