multisource online informations
A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  
  

Letter N



Sodium \So"di*um\, n. [NL., fr.E. soda.] (Chem.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so highly reactive that it combines violently with water, and to be preserved must be kept under petroleum or some similar liquid. Sodium is used combined in many salts, in the free state as a reducer, and as a means of obtaining other metals (as magnesium and more...
Nad \Nad\ (n[a^]d), Nadde \Nad"de\ (n[a^]d"de). [Contr. fr. ne hadde.] Had not. [Obs.] --Chaucer. [1913 Webster] more...
nada \nada\ n. 1. [Spanish] Nothing. [informal or jocose] Note: [used mostly jocosely or for emphasis in phrases such as "Nothing, nada, zip!"] [PJC] more...
Nad \Nad\ (n[a^]d), Nadde \Nad"de\ (n[a^]d"de). [Contr. fr. ne hadde.] Had not. [Obs.] --Chaucer. [1913 Webster] more...
Nadder \Nad"der\ (n[a^]d"d[~e]r), n. [AS. naedre. See Adder.] An adder. [Obs.] --Chaucer. [1913 Webster]See also: Adder more...
Na-dene \Na-dene\ prop. n. A family of North American Indian languages including Tlingit, the Athabascan language family, and Haida. [WordNet 1.5] more...
Nadir \Na"dir\ (n[=a]"d[~e]r), n. [F., Sp., & It. nadir; all fr. Ar. naz[imac]ru's samt nadir, prop., the point opposite the zenith (as samt), in which naz[imac]r means alike, corresponding to. Cf. Azimuth, Zenith.] 1. That point of the heavens, or lower hemisphere, directly opposite the zenith; the inferior pole of the horizon; the point of the celestial sphere directly under the place where we stand. [1913 Webster] 2. The lowest more...