Defn: Having fine supported by spinous fin rays; — said of certain fishes.
SPINEL; SPINELLE Spi*nel", Spi*nelle", n. Etym: [F. spinelle, or LL. spinellus, perhaps from L. spina a thorn, a prickle, in allusion to its pointed crystals.] (Min.)
Defn: A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, brown, and black, the red variety being the gem spinel ruby. It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium.
Note: The spinel group includes spinel proper, also magnetite, chromite, franklinite, gahnite, etc., all of which may be regarded as composed of a sesquioxide and a protoxide in equal proportions.
SPINEL
Spin"el, n.
Defn: Bleached yarn in making the linen tape called inkle; unwrought inkle. Knight.
SPINELESS
Spine"less, a.
Defn: Having no spine.
SPINESCENCE
Spi*nes"cence, n.
Defn: The state or quality of being spinescent or spiny; also, a spiny growth or covering, as of certain animals.