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ion

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ion

Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++
Related topics: Chemistry, Physics
i·on /ˈaɪən $ ˈaɪən, ˈaɪɑːn/ noun [countable] technical  HCHPan atom which has been given a positive or negative force by adding or taking away an electron 离子 proton
Examples from the Corpus
ionA commercial filtering medium now on the market combines activated carbon and an ion exchange resin.The cliff top turf was bright with thrift and sea camp ion.Generally, one cupric ion complexes with four to six peptide linkages.However, such secretions also contain important ions which are essential for the normal functioning of the body.The result is an excluded volume behind the target atom into which no ions penetrate.That blast of sodium ions entering the neuron is the impulse starting.Typically, sodium ions are excluded and potassium ions are hoarded.It only works in the direction in which it's throwing the ions.
-ion /ən/ suffix [in nouns]  DO something/TAKE ACTIONthe act, state, or result of doing something 行为;状态;〔行动的〕结果 the completion of the task (=act of finishing it) 任务完成 his election (=he was elected) to the post 他当选该职位 Young children demand a lot of attention. 幼儿需要很多关注。
Examples from the Corpus
-ionan electioncomplete exhaustion
Origin ion (1800-1900) Greek present participle of ienai to go -ion Old French Latin -io
i·on noun-ion suffixChineseSyllable
atom been a positive Corpus which an given has


ion
ion /ˈaɪən $ ˈaɪən, ˈaɪɑːn/ noun [countable] technical
 Date: 1800-1900
 Language: Greek
 Origin: present participle of ienai 'to go'
an atom which has been given a positive or negative force by adding or taking away an electronproton


ionBrE /ˈaɪən/ 🔊NAmE /ˈaɪən/ 🔊BrE also /ˈaɪɒn/ 🔊NAmE also /ˈaɪɑːn/ 🔊 noun (physics 物理 or chemistry 化学) an atom or a molecule with a positive or negative electric charge caused by its losing or gaining one or more electrons 离子

antiparticle, atom, electron, ion, neutron, nucleus, particle, positron, proton, valency