fractionate

vt. 分别, 使分馏

发音

US /ˈfɹæk.ʃəneɪt/

词形变化

fractionated fractionates 三单 fractionates fractionating fractionating 现在分词 fractionated 过去式 fractionated 过去分词

释义与例句

v.
  1. 1.

    To separate (a mixture) into its individual constituents by exploiting differences in some chemical or physical property, such as boiling point, particle size, solubility etc.

    化学

    Crude oil is fractionated in a refinery to produce a number of different petroleum products.

  2. 2.

    To divide a total dose of radiation into fractions.

  3. 3.

    To divide each plaintext symbol into several ciphertext symbols as a preliminary stage of encryption.

    计算机 工程 数学
  4. 4.

    To use the technique of fractionation in hypnosis.

词汇关系

动词

上位词 1

separate

词源

From fraction + -ate (verb-forming suffix).

来源：wiktionary