Medical Definition of Alum shale

1. A variety of shale or clay slate, containing iron pyrites, the decomposition of which leads to the formation of alum, which often effloresces on the rock. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Alum Shale

alumish
alumium
alumiums
alumna
alumna
alumnae
alumni
alumnus
alumroot
alumroots
alums
alumstone
alumstones
alum compounds
alum root
alum shale (current term)
alum stone
alundum
alunite
alunite
alunites
alunogen
Alupent
alure
alures
alu elements
alu family
alu sequence
Alu sequences
Alvar Aalto

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