Dansk ordbog
Rejseparlør
Rimordbog
Krydsogtværsordbog
English Dictionary
Sprogforum
English
Dansk (Danish)
Norsk (Norwegian)
Recent queries
Acyclic
Intractable
Genus Cedrela
Bast
Complementation
Law of equivalent proportions
Sports coat
Nervously
Family Orycteropodidae
English dictionary
Hint: In most browsers you can lookup any word by double click it.
English
noun
:
blue stone
1.
blue stone
(substance)
hydrated blue crystalline form of copper sulfate
Synonyms
blue copperas
,
blue vitriol
,
chalcanthite
Broader (hypernym)
copper sulfate
,
copper sulphate
,
cupric sulfate
,
cupric sulphate
Based on WordNet 3.0 copyright © Princeton University.
Web design:
Orcapia v/Per Bang
. English edition:
Peter Jensen
.
2026
onlineordbog.dk