SHEEP n.
the wool of sheep. -- Sheep sorrel. (Bot.), a prerennial herb (Rumex Acetosella) growing naturally on poor, dry, gravelly soil. Its leaves have a pleasant acid taste like sorrel. -- Sheep's-wool (Zoöl.), the highest grade of Florida commercial sponges (Spongia equina, variety gossypina). -- Sheep tick (Zoöl.), a win…
STANNIC a.
oxide, tin oxide, SnO2, produced artificially as a white amorphous powder, and occurring naturally in the mineral cassiterite. It is used in the manufacture of white enamels, and, under the name of putty powder, for polishing glass, etc.
STRONTIUM n.
A metallic element of the calcium group, always naturally occurring combined, as in the minerals strontianite, celestite, etc. It is isolated as a yellowish metal, somewhat malleable but harder than calcium. It is chiefly employed (as in the nitrate) to color pyrotechnic flames red. Symbol Sr. Atomic weight 87.3. A rad…