Definitions

1. noun

A salt containing the chromate anion (CrO42− or Cr2O72−) or a compound in which the chromate ion is the conjugate base.

“The factory used chromate to clean and protect the metal surfaces.”

2. verb

To treat or coat with a chromate solution.

“The engineer chromated the metal to prevent rust and corrosion.”

3. chemistry

A salt or compound containing the chromate anion (CrO42− or Cr2O72−).

“In the lab, they synthesized a new chromate compound for testing.”