IRON n.
en pure, or an fresh surface, is a gray or white metal. It is easily oxidized (rusted) by moisture, and is attacked by many corrosive agents. Symbol Fe (Latin Ferrum). Atomic weight 55.9. Specific gravity, pure iron, 7.86; cast iron, 7.1. In magnetic properties, it is superior to all other substances.…
LAND n.
e. -- Land leech (Zoöl.), any one of several species of blood-sucking leeches, which, in moist, tropical regions, live on land, and are often troublesome to man and beast. -- Land measure, the system of measurement used in determining the area of land; also, a table of areas used in such measurement. -- Land, or Hou…
MAGNESIUM n.
ite metallic element, malleable and ductile, quite permanent in dry air but tarnishing in moist air. It burns, forming (the oxide) magnesia, with the production of a blinding light (the so-called magnesium light) which is used in signaling, in pyrotechny, or in photography where a strong actinic illuminant is required.…
METEOROLOGIC; METEOROLOGICAL a.
a table or register exhibiting the state of the air and its temperature, weight, dryness, moisture, motion, etc.