1.In chemistry, a group of elements or atoms usually passing intact from one compound to another, but usually incapable of prolonged existence in a free state (for example, methyl, CH3); in chemical formulas, a radical is often distinguished by being enclosed in parentheses or brackets. ...
nounChemistry,Biochemistry. an atom or molecule that bears an unpaired electron and is extremely reactive, capable of engaging in rapid chain reactions that destabilize other molecules and generate many more free radicals: in the body, deactivated by antioxidants, uric acid, and certain enzyme activit...
Definition of free radical noun in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Diradical definition: an atom or molecule having two unpaired electrons.. See examples of DIRADICAL used in a sentence.
"in the body free radicals are high-energy particles that ricochet wildly and damage cells" 同义词:free radical a person who has radical ideas or opinions a character conveying the lexical meaning of a logogram a sign placed in front of an expression to denote that a root is to be extract...
(chemistry) two or more atoms bound together as a single unit and forming part of a molecule synonyms:chemical group,group see more noun (mathematics) a quantity expressed as the root of another quantity see more adjective arising from or going to the root or source ...
radical, in chemistry, group of atoms that are joined together in some particular spatial structure and that take part in most chemical reactions as a single unit. Important inorganic radicals include ammonium, NH4; carbonate, CO3 ; chlorate, ClO3, and perchlorate, ClO4 ; cyanide, CN; ...
一种显而易见的影响是大地表面剧烈的改变。 英文解释 n. 1.(chemistry) two or more atoms bound together as a single unit and forming part of a molecule 2.an atom or group of atoms with at least one unpaired electron; in the body it is usually an oxygen m ...
英语解释arisingfromorgoingtotherootanatomorgroupofatomswithatleastoneunpairedelectron;inthebodyitisusuallyanoxygenmoleculethanhaslostanelectronandwillstabilizeitselfbystealinganelectronfromanearbymoleculeacharacterconveyingthelexicalmeaningofalogogram(chemistry)twoormoreatomsboundtogetherasasingleunitandformingpartofa...
in the body free radicals are high-energy particles that ricochet wildly and damage cells 3.a person who has radical ideas or opinions 4.a character conveying the lexical meaning of a logogram 5.a sign placed in front of an expression to denote that a root is to be extracted ...