As adjectives the difference between plumbean and plumbian
is that plumbean is variant of plumbeous while plumbian is (mineralogy) describing minerals containing tetravalent lead.
plumbean
Adjective
Variant of plumbeous.
References
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Anagrams
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plumbian
English
Adjective
(-)
(mineralogy) Describing minerals containing tetravalent lead
Related terms
*plumboan