SPRING n.
eaves and pretty blossoms, appearing in springtime. (b) (Zoöl.) A small, elegant American butterfly (Erora læta) which appears in spring. The hind wings of the male are brown, bordered with deep blue; those of the female are mostly blue. -- Spring bed, a mattress, under bed, or bed bottom, in which springs, as of meta…
STEARIN n.
One of the constituents of animal fats and also of some vegetable fats, as the butter of cacao. It is especially characterized by its solidity, so that when present in considerable quantity it materially increases the hardness, or raises the melting point, of the fat, as in mutton tallow. Chemically, it is a compound o…
SULPHUR n.
Any one of numerous species of yellow or orange butterflies of the subfamily Pierinæ; as, the clouded sulphur (Eurymus, or Colias, philodice), which is the common yellow butterfly of the Eastern United States. Amorphous sulphur (Chem.), an elastic variety of sulphur of a resinous appearance, obtained by pouring melted…