HORSE n.
allus), which was domesticated in Egypt and Asia at a very early period. It has six broad molars, on each side of each jaw, with six incisors, and two canine teeth, both above and below. The mares usually have the canine teeth rudimentary or wanting. The horse differs from the true asses, in having a long, flowing mane…
MASTODON n.
An extinct genus of mammals closely allied to the elephant, but having less complex molar teeth, and often a pair of lower, as well as upper, tusks, which are incisor teeth. The species were mostly larger than elephants, and their romains occur in nearly all parts of the world in deposits ranging from Miocene to late Q…
MILK n.
lk, as butter and cheese. [Obs.] Bailey. -- Milk mirror. Same as Escutcheon, 2. -- Milk molar (Anat.), one of the deciduous molar teeth which are shed and replaced by the premolars. -- Milk of lime (Chem.), a watery emulsion of calcium hydrate, produced by macerating quicklime in water. -- Milk parsley (Bot.), an u…
MILL n.
l after turning it, or the channel in which the water flows. -- Mill tooth, a grinder or molar tooth. -- Mill wheel, the water wheel that drives the machinery of a mill. -- Roller mill, a mill in which flour or meal is made by crushing grain between rollers. -- Stamp mill (Mining), a mill in which ore is crushed by…
PITHECANTHROPUS n.
ence called Java man) in 1891-92. These bones include a thigh bone of the human type, two molar teeth intermediate between those of man and the anthropoids, and the calvaria of the skull, indicating a brain capacity of about 900 cubic centimeters, and resembling in form that of the Neanderthal man. Also [pl. -thropi],…