GLOBIGERINA n.
A genus of small Foraminifera, which live abundantly at or near the surface of the sea. Their dead shells, falling to the bottom, make up a large part of the soft mud, generally found in depths below 3,000 feet, and called globigerina ooze. See Illust. of Foraminifera.
GLUCOSE n.
A variety of sugar occurring in nature very abundantly, as in ripe grapes, and in honey, and produced in great quantities from starch, etc., by the action of heat and acids. It is only about half as sweet as cane sugar. Called also dextrose, grape sugar, diabetic sugar, and starch sugar. See Dextrose.…
HYDROGEN n.
use in filling balloons), and over eleven thousand times lighter than water. It is very abundant, being an ingredient of water and of many other substances, especially those of animal or vegetable origin. It may by produced in many ways, but is chiefly obtained by the action of acids (as sulphuric) on metals, as zinc,…