IRON n.
impure variety of iron, containing from three to six percent of carbon, part of which is united with a part of the iron, as a carbide, and the rest is uncombined, as graphite. It there is little free carbon, the product is white iron; if much of the carbon has separated as graphite, it is called gray iron. See also Ca…
ISOMERIC a.
by weight, often used with with. Specif.: (a) Polymeric; i. e., having the same elements united in the same proportion by weight, but with different molecular weights; as, acetylene and benzine are isomeric (polymeric) with each other in this sense. See Polymeric. (b) Metameric; i. e., having the same elements united…
JAPAN a.
t (Lespedeza striata) from Eastern Asia, useful for fodder, first noticed in the Southern United States about 1860, but now become very common. During the Civil War it was called variously Yankee clover and Rebel clover. -- Japan earth. See Catechu. -- Japan ink, a kind of writing ink, of a deep, glossy black when dr…
JUDGE n.
counsel for the accused, when he has no other counsel. -- Judge-Advocate General, in the United States, the title of two officers, one attached to the War Department and having the rank of brigadier general, the other attached to the Navy Department and having the rank of colonel of marines or captain in the navy. The…
KATYDID n.
oreal, orthopterous insect (Cyrtophyllus concavus) of the family Locustidæ, common in the United States. The males have stridulating organs at the bases of the front wings. During the summer and autumn, in the evening, the males make a peculiar, loud, shrill sound, resembling the combination Katy-did, whence the name.…