MACHINE n.
heir relative motions are constrained, and by means of which force and motion may be transmitted and modified, as a screw and its nut, or a lever arranged to turn about a fulcrum or a pulley about its pivot, etc.; especially, a construction, more or less complex, consisting of a combination of moving parts, or simple m…
MALIGNANT a.
lent; as, malignant diphtheria. Malignant pustule (Med.), a very contagious disease, transmitted to man from animals, characterized by the formation, at the point of reception of the virus, of a vesicle or pustule which first enlarges and then breaks down into an unhealthy ulcer. It is marked by profound exhaustion and…
METRIC a.
ures originating in France, the use of which is required by law in many countries, and permitted in many others, including the United States and England. The principal unit is the meter (see Meter). From this are formed the are, the liter, the stere, the gram, etc. These units, and others derived from them, are divided…