n. opaqueness. [Latin: related to OPAQUE] opal /’ aup(a)1/ n. semiprecious stone usu. of a milky or bluish colour and sometimes showing changing colours. [Latin]
n. opaqueness. [Latin: related to OPAQUE] opal /’ aup(a)1/ n. semiprecious stone usu. of a milky or bluish colour and sometimes showing changing colours. [Latin]