English dictionary



Hint: With the Firefox addon you can search this dictionary from the browsers search field.

English noun: black opal

1. black opal (substance) a dark colored opal with internal reflections of green or red


Broader (hypernym)opal









Based on WordNet 3.0 copyright © Princeton University.
Web design: Orcapia v/Per Bang. English edition: .
2026 onlineordbog.dk