LEAF n.
gold, silver, or tin. -- Leaf miner (Zoöl.), any one of various small lepidopterous and dipterous insects, which, in the larval stages, burrow in and eat the parenchyma of leaves; as, the pear-tree leaf miner (Lithocolletis geminatella). -- Leaf notcher (Zoöl.), a pale bluish green beetle (Artipus Floridanus), which…
LINE n.
vers. (b) A line which determines a dead center. See Dead center, under Dead. -- Line of dip (Geol.), a line in the plane of a stratum, or part of a stratum, perpendicular to its intersection with a horizontal plane; the line of greatest inclination of a stratum to the horizon. -- Line of fire (Mil.), the direction o…
LOCUST n.
ratory, orthopterous insects, of the family Acrididæ, allied to the grasshoppers; esp., (Edipoda, or Pachytylus, migratoria, and Acridium perigrinum, of Southern Europe, Asia, and Africa. In the United States the related species with similar habits are usually called grasshoppers. See Grasshopper.
MAGNETIC; MAGNETICAL a.
agnetism, so called; as, a magnetic sleep. See Magnetism. Magnetic amplitude, attraction, dip, induction, etc. See under Amplitude, Attraction, etc. -- Magnetic battery, a combination of bar or horseshoe magnets with the like poles adjacent, so as to act together with great power. -- Magnetic compensator, a contrivan…
MALIGNANT a.
Tending to produce death; threatening a fatal issue; virulent; 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…
MATCH n.
h takes fire readily, or remains burning some time; esp., a small strip or splint of wood dipped at one end in a substance which can be easily ignited by friction, as a preparation of phosphorus or chlorate of potassium. Match box, a box for holding matches. -- Match tub, a tub with a perforated cover for holding slow…