rarefact

词形变化

rarefacted rarefacting rarefacts 三单 rarefacts rarefacting 现在分词 rarefacted 过去式 rarefacted 过去分词

释义与例句

v.
  1. 1.

    To reduce in density.

    及物/不及物

词源

From Middle French raréfaction.

来源：wiktionary