Opal

o'pal, n. A mineral consisting of silex in what called the soluble state, and usually a small quantity of water the precious opal presents a peculiar play of colors, and is esteemed as a gem. [F. opdle, L. opal us, Gr. opallios, perh. fr. Skr. upala, a stone.] — Opalesce', -pal-es', v. [-esced (-est'), -escing.J To give forth a play of colors, like the opal. — Opalescence, -es's ens, n. A reflection of a milky or pearly light from the interior of a mineral. — Opalescent, a. Reflecting a pearly light from the interior. — O'paline, -in, a. Pert, to or like opal. — O'palize, v. [-ized (-Izd), -izing.] To convert into opal, or a substance like opal.