As nouns the difference between terms and ecdemite
is that terms is while ecdemite is (mineral) a tetragonal mineral containing arsenic, chlorine, lead, and oxygen.
terms
English
Noun
(head)
Statistics
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ecdemite
English
Noun
(mineral) A tetragonal mineral containing arsenic, chlorine, lead, and oxygen.
References
* Ecdemite in the Mineralogy Database: [http://webmineral.com/data/Ecdemite.shtml]