MYXOMYCETES n.
eculiar organisms, the slime molds, formerly regarded as animals (Mycetozoa), but now generally thought to be plants and often separated as a distinct phylum (Myxophyta). They are found on damp earth and decaying vegetable matter, and consist of naked masses of protoplasm, often of considerable size, which creep very s…
NAPHTHA n.
The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called crude petroleum, mineral oil, or rock oil. Specifically: That portion of the distillate obtained in the refinement of petroleum which is intermediate between the lighter gasoline and the heavier benzine, and has a…
NARCOTIC n.
A drug which, in medicinal doses, generally allays morbid susceptibility, relieves pain, and produces sleep; but which, in poisonous doses, produces stupor, coma, or convulsions, and, when given in sufficient quantity, causes death. The best examples are opium (with morphine), belladonna (with atropine), and conium. Ne…
NICHE n.
A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. hence, any similar position, literal or figurative. Images defended from the injuries of the weather by niches of stone wherein they are placed. Evelun.
NOM n.
Name. Nom de guerre (, literally, war name; hence, a fictitious name, or one assumed for a time. -- Nom de plume (, literally, pen name; hence, a name assumed by an author as his or her signature.
NOTION n.
niversal conception, as distinguishable or definable by marks or notæ. What hath been generally agreed on, I content myself to assume under the notion of principles. Sir I. Newton. Few agree in their notions about these words. Cheyne. That notion of hunger, cold, sound, color, thought, wish, or fear which is in the min…