Found 1 items, similar to NO2.
English → English (gcide) Definition: NO2 Nitric \Ni"tric\, a. [Cf. F. nitrique. See Niter.] (Chem.) Of, pertaining to, or containing, nitrogen; specifically, designating any one of those compounds in which, as contrasted with nitrous compounds, the element has a higher valence; as, nitric oxide; nitric acid. [1913 Webster] Nitric acid, a colorless or yellowish liquid obtained by distilling a nitrate with sulphuric acid. It is powerfully corrosive, being a strong acid, and in decomposition a strong oxidizer. Nitric anhydride, a white crystalline oxide of nitrogen (N2O5), called nitric pentoxide, and regarded as the anhydride of nitric acid. Nitric oxide, a colorless poisous gas (NO) obtained by treating nitric acid with copper. On contact with the air or with oxygen, it becomes reddish brown from the formation of nitrogen dioxide (NO2, also called nitric dioxide or nitric peroxide). [1913 Webster] nitro- \ni"tro-\pref. 1. A combining form or an adjective denoting the presence of niter. [1913 Webster] 2. (Chem.) A combining form (used also adjectively) designating certain compounds of nitrogen or of its acids; as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene (C6H5.NO2). [1913 Webster] Nitro group, the radical NO2; -- called also nitroxyl. [1913 Webster] nitro- \ni"tro-\pref. 1. A combining form or an adjective denoting the presence of niter. [1913 Webster] 2. (Chem.) A combining form (used also adjectively) designating certain compounds of nitrogen or of its acids; as nitrohydrochloric, nitrocalcite; also, designating the group or radical NO2, or its compounds, as nitrobenzene (C6H5.NO2). [1913 Webster] Nitro group, the radical NO2; -- called also nitroxyl. [1913 Webster] Chromophore \Chro"mo*phore\, n. [Gr. ? color + fe`rein to bear.] (Chem.) Any chemical group or residue (as NO2; N2; or O2) which imparts some decided color to the compound of which it is an ingredient. [1913 Webster]