pearlaceous
1Pearlaceous — Pearl*a ceous, a. Resembling pearl or mother of pearl; pearly in quality or appearance. [1913 Webster] …
2pearlaceous — occasional var. perlaceous …
3nacreous — a. 1. Of nacre. 2. Pearly, iridescent, irisated, opalescent, pavonine, polychromatic, irisated, pearlaceous …