“+ noun
Etymology: pseud- + alum
: any of various double sulphates of aluminum and a bivalent metal (as magnesium or zinc) that are not isomorphous with common alum
“+ noun
Etymology: pseud- + alum
: any of various double sulphates of aluminum and a bivalent metal (as magnesium or zinc) that are not isomorphous with common alum
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012