acid-free

短语

adj. [化学] 无酸的

词形变化

more acid-free 比较级 most acid-free 最高级

别名

acidfree

释义与例句

adj.
  1. 1.

    Alkaline or neutral; not acidic.

    an acid-free soil

    Printed on acid-free paper.

  2. 2.

    Without using acid.

    an acid-free etching technique

词源

From acid + -free.

来源：wiktionary