- polar compound
- 极性化合物
English-Chinese chemistry dictionary (英汉化学大词典). 2013.
polar compound
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polar compound — polinis junginys statusas T sritis fizika atitikmenys: angl. polar compound vok. polare Verbindung, f rus. полярное соединение, n pranc. composé polaire, m … Fizikos terminų žodynas
compound — 1. In chemistry, a substance formed by the covalent or electrostatic union of two or more elements, generally differing entirely in physical characteristics from any of its components. 2. In pharmacy, denoting a preparation containing several… … Medical dictionary
polar — 1 adj. a of or near a pole of the earth or a celestial body, or of the celestial sphere. b (of a species or variety) living in the north polar region. 2 having magnetic polarity. 3 a (of a molecule) having a positive charge at one end and a… … Useful english dictionary
polar — 1. Relating to a pole. 2. Having poles, said of certain nerve cells having one or more processes. [Mod. L. polaris, fr. polus, pole] * * * po·lar pō lər adj 1) of or relating to one or more poles (as of a spherical body) 2) exhibiting polarity… … Medical dictionary
polar number — the number of valences (positive or negative) possessed by an atom in any particular compound … Medical dictionary
chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements … Universalium
organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… … Universalium
organometallic compound — ▪ chemical compound Introduction any member of a class of substances containing at least one metal to carbon bond in which the carbon is part of an organic group. Organometallic compounds constitute a very large group of substances that have… … Universalium
organohalogen compound — Introduction any of a class of organic compounds (organic compound) that contain at least one halogen (halogen element) ( fluorine [F], chlorine [Cl], bromine [Br], or iodine [I]) bonded to carbon. They are subdivided into alkyl, vinylic, aryl,… … Universalium
Knut (polar bear) — Knut during his debut at the Berlin Zoo on 23 March 2007 Knut (German pronunciation: [ˈknuːt] ( … Wikipedia
Ionic compound — In chemistry, an ionic compound is a chemical compound in which ions are held together in a lattice structure by ionic bonds. Usually, the positively charged portion consists of metal cations and the negatively charged portion is a halogen or… … Wikipedia
