NARWHAL n.
An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.…
NASTURTIUM n.
ng the common Indian cress (Tropæolum majus), the canary-bird flower (T. peregrinum), and about thirty more species, all natives of South America. The whole plant has a warm pungent flavor, and the fleshy fruits are used as a substitute for capers, while the leaves and flowers are sometimes used in salads.…
NAUTILUS n.
The only existing genus of tetrabranchiate cephalopods. About four species are found living in the tropical Pacific, but many other species are found fossil. The shell is spiral, symmetrical, and chambered, or divided into several cavities by simple curved partitions, which are traversed and connected together by a con…
NEANDERTHAL; NEANDERTHAL RACE; NEANDERTHAL MAN a.
d frontal sutures, and enormous superciliary ridges. The cranial capacity is estimated at about 1,220 cubic centimeters, being about midway between that of the Pithecanthropus and modern man. Hence, designating the Neanderthal race, or man, a species supposed to have been widespread in paleolithic Europe.…
NEPTUNE n.
r, of Paris -- by Galle, of Berlin, September 23, 1846. Its mean distance from the sun is about 2,775,000,000 miles, and its period of revolution is about 164,78 years. Neptune powder, an explosive containing nitroglycerin, -- used in blasting. -- Neptune's cup (Zoöl.), a very large, cup-shaped, marine sponge (Thalass…
NERVOUS a.
not firmly protest against the unfair treatment of Irish Catholics, because it is nervous about the land. M. Arnold. Nervous fever (Med.), a low form of fever characterized by great disturbance of the nervous system, as evinced by delirium, or stupor, disordered sensibility, etc. -- Nervous system (Anat.), the special…