METAL n.
s basic rather than acid properties, as contrasted with the nonmetals, or metalloids. No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc.
MILLING n.
he reduction is effected in a single crushing or grinding. -- Milling cutter, a fluted, sharp-edged rotary cutter for dressing surfaces, as of metal, of various shapes. -- Milling machine, a machine tool for dressing surfaces by rotary cutters. -- Milling tool, a roller with indented edge or surface, for producing l…
MOSQUITO n.
genera. The females have a proboscis containing, within the sheathlike labium, six fine, sharp, needlelike organs with which they puncture the skin of man and animals to suck the blood. These bites, when numerous, cause, in many persons, considerable irritation and swelling, with some pain. The larvæ and pupæ, called w…
NETTLE n.
A plant of the genus Urtica, covered with minute sharp hairs containing a poison that produces a stinging sensation. Urtica gracitis is common in the Northern, and U. chamædryoides in the Southern, United States. the common European species, U. urens and U. dioica, are also found in the Eastern united States. U. piluli…