alumen
Noun
Meaning
Alum.
Source: Webster's dictionaryAnagrams
Examples
Native alumen from Melos appears to have been a mixture mainly of alunogen ( Almain (SOmain )main ·17H 2 O ) with alum and other minor sulfates.
The alumen of the ancients then, was not always the same as the alum of the moderns.
Pliny describes several other species of alumen but it is not clear as to what these minerals are.
Pliny informs us that 'alumen' was found naturally in the earth.