activation

C1 Oxf 5000 大学 FREQ #21757

n. 活化, 激活 [化] 活化; 活化作用; 激活; 激活作用

发音

UK /ˌæktɪˈveɪʃn̩/
其它
US /ˌæktəˈveɪʃən/

词形变化

activations 复数 activations

别名

actification

教材释义与例句

名词

激活；活化作用

释义与例句

n. C1 Oxf 5000
  1. 1.

    Making active and effective; bringing into a state of activity.

    激活

    可数 不可数
  2. 2.

    The process of making a radioisotope by bombarding a stable element with neutrons or protons.

    可数 不可数 物理
  3. 3.

    The process by which molecules are made able to react.

    可数 不可数 化学 生物
  4. 4.

    The promotion of a brand through an event or campaign.

    可数 不可数 商务

    using shopper activation to convert shoppers into buyers

词汇关系

名词

反义词 2

deactivation inactivation

上位词 5

start beginning activity stimulation commencement

下位词 5

animation electrification indweller invigoration vivification

相关短语

activation energy [化] 活化能 activation analysis [化] 活化分析; 放射化分析 activation analyses activation record [计] 活动记录 activation records activation energies activation function 激活函数 activation functions activation syndrome activation phrase activation phrases neutron activation analysis [化] 中子活化分析 neutron activation analyses cat activation noise CH activation

词源

Etymology tree Proto-Indo-European *h₂eǵ- Proto-Indo-European *-eti Proto-Indo-European *h₂éǵeti Proto-Italic *agō Latin agō Proto-Indo-European *-wósder. Latin -īvus ▲ Ancient Greek ἐνεργητῐκός (energētĭkós)sl. Latin āctīvusbor. Old French actifbor. Middle English actyf English active Proto-Indo-European *-tisder. Proto-Italic *-tjō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation ▲ English active Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātuslbor. English -ate English activate ▲ English -ation English -ion English activation From active or activate + -ation

来源：wiktionary