rarefies

英['reərɪfaɪz] 美['reərɪfaɪz]
  • 抽稀
  • old adj.老的;过去的;旧的,破旧的;...岁的n.旧时
  • rare adj.罕见的;珍贵的;煎得嫩的
动词 rarefy:
  1. lessen the density or solidity of

  2. make more subtle or refined

  3. weaken the consistency of (a chemical substance)