quadriad

n. 四个一组(或一套、一系列)

词形变化

quadriads 复数 quadriads

释义与例句

n.
  1. 1.

    A grouping of four things.

    罕用
  2. 2.

    A government committee of four economic experts.

    美国

词源

From quadri- + -ad.

来源：wiktionary