ascertainer

vt. 探知, 发现；弄清, 查明(真相等)；确定：；[古语]把…弄确实

词形变化

ascertainers 复数 ascertainers

释义与例句

n.
  1. 1.

    One who, or that which, ascertains.

词源

From ascertain + -er.

来源：wiktionary