preparative

a. 准备性的, 预备性的 n. 预备, 准备, 预备信号

发音

US /pɹəˈpæɹətɪv/

词形变化

preparatives 复数 preparatives more preparative 比较级 most preparative 最高级

释义与例句

n.
  1. 1.

    Something to be done in preparation; a preliminary

adj.
  1. 1.

    That serves to prepare something

    preparative chromatography

  2. 2.

    preliminary or preparatory

    preparative discussions

  3. 3.

    Pertaining to the synthesis, purification, or isolation of compounds from mixtures or raw materials.

    化学

词汇关系

形容词

同义词 2

preparatory propaedeutic

近义相关 1

preceding

词源

From Middle English preperatif, from Middle French preparatif and Medieval Latin prēparātīvus.

来源：wiktionary