MAYAN a.
d dyeing of cotton fabrics, used cacao as a medium of exchange, and were workers of gold, silver, and copper. Their architecture comprised elaborately carved temples and places, and they possessed a superior calendar, and a developed system of hieroglyphic writing, with records said to go back to about 700 a. d.…
MERCURY n.
cinnabar, one of its ores. It is a heavy, opaque, glistening liquid (commonly called quicksilver), and is used in barometers, thermometers, ect. Specific gravity 13.6. Symbol Hg (Hydrargyrum). Atomic weight 199.8. Mercury has a molecule which consists of only one atom. It was named by the alchemists after the god Mercu…
METAL n.
trast with the noble metals. In general, a metal of small value, as compared with gold or silver. -- Fusible metal (Metal.), a very fusible alloy, usually consisting of bismuth with lead, tin, or cadmium. -- Heavy metals (Chem.), the metallic elements not included in the groups of the alkalies, alkaline earths, or th…
MOJARRA n.
(mostly of tropical seas, and having a deep, compressed body, protracile mouth, and large silvery scales) constituting the family Gerridæ, as Gerres plumieri, found from Florida to Brazil and used as food. Also, any of numerous other fishes of similar appearance but belonging to other families.
MONEY n.
A piece of metal, as gold, silver, copper, etc., coined, or stamped, and issued by the sovereign authority as a medium of exchange in financial transactions between citizens and with government; also, any number of such pieces; coin. To prevent such abuses, ... it has been found necessary ... to affix a public stamp up…
MULTIPLICATION n.
The art of increasing gold or silver by magic, -- attributed formerly to the alchemists. [Obs.] Chaucer. Multiplication table, a table giving the product of a set of numbers multiplied in some regular way; commonly, a table giving the products of the first ten or twelve numbers multiplied successively by 1, 2, 3, etc.,…