SPage 653
- English Word Spinule Definition A minute spine.
- English Word Spinulescent Definition Having small spines; somewhat thorny.
- English Word Spinulose Definition Alt. of Spinulous
- English Word Spinulous Definition Covered with small spines.
- English Word Spiny Definition Full of spines; thorny; as, a spiny tree.
- English Word Spiny Definition Like a spine in shape; slender.
- English Word Spiny Definition Fig.: Abounding with difficulties or annoyances.
- English Word Spiny Definition See Spinny.
- English Word Spiodea Definition An extensive division of marine Annelida, including those that are without oral tentacles or cirri, and have the gills, when present, mostly arranged along the sides of the body. They generally live in burrows or tubes.
- English Word Spirable Definition Capable of being breathed; respirable.
- English Word Spiracle Definition The nostril, or one of the nostrils, of whales, porpoises, and allied animals.
- English Word Spiracle Definition One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera.
- English Word Spiracle Definition A tubular orifice communicating with the gill cavity of certain ganoid and all elasmobranch fishes. It is the modified first gill cleft.
- English Word Spiracle Definition Any small aperture or vent for air or other fluid.
- English Word Spiracular Definition Of or pertaining to a spiracle.
- English Word Spiraea Definition A genus of shrubs or perennial herbs including the meadowsweet and the hardhack.
- English Word Spiraeic Definition Of, pertaining to, or derived from, the meadowsweet (Spiraea); formerly, designating an acid which is now called salicylic acid.
- English Word Spiral Definition Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring.
- English Word Spiral Definition Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical.
- English Word Spiral Definition Of or pertaining to a spiral; like a spiral.