preparative

名词 n. 形容词 adj.
中文释义

英文释义

名词 n.
  1. Something to be done in preparation; a preliminary
    — necessary preparatives for our voyage
形容词 adj.
  1. That serves to prepare something
    — preparative chromatography
  2. preliminary or preparatory
    — preparative discussions
  3. Pertaining to the synthesis, purification, or isolation of compounds from mixtures or raw materials.

词形变化

more preparative comparative most preparative superlative preparatives plural

词汇关系

衍生词
micropreparative postpreparative preparatively semipreparative

词源

词源 1
From Middle English preperatif, from Middle French preparatif and Medieval Latin prēparātīvus.
词源 2
From Middle English preperatif, from Middle French preparatif and Medieval Latin prēparātīvus.
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