Chem. [f. L. aur-um + -ATE4.] A compound of auric oxide with a base.

1

1838.  Penny Cycl., XI. 292/1. Auric acid … combines with potash, soda, and barytes, to form … aurates.

2

1862.  Pepper, Play-bk. Metals, 207. Aurate of ammonia, or fulminating gold.

3