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nouna translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstonestype of:
Definition that contains opal
- vicar (Episcopal Church) a clergyman in charge of a chapel
- vestry in the Protestant Episcopal Church: a committee elected by the congregation to work with the churchwardens in managing the temporal affairs of the church
- primus the presiding bishop of the Episcopal Church of Scotland
- anime a hard copal derived from an African tree
- episcopalian of or pertaining to or characteristic of the Episcopal church
- episcopalian a member of the Episcopal church
- episcopal of or pertaining to or characteristic of the Episcopal church
- churchwarden an officer in the Episcopal church who helps a parish priest with secular matters
- opalize make opalescent
- nopal any of several cacti of the genus Nopalea resembling prickly pears