rock alum
rock alum is the alternative form of roche alum.
Origin of rock alum
Probably by confusion with French roche (“rock”).
Questions about rock alum
- What is rock alum the alternative form of?
- Rock alum is the alternative form of roche alum.
Words near rock alum in the dictionary
Source and license
Adapted from Wiktionary: rock alum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Cite this entry: “rock alum.” Word.ws, https://word.ws/rock_alum. Based on Wiktionary, CC BY-SA 4.0.
