grizzle
 v.— «Get this formula wrong, however, and the finished glass would be unstable. It would continue to absorb moisture from the air and become cloudy in a process called grizzling. Thanks to the wonders of modern atmospherically controlled display cases, you can see one of Ravenscroft’s early mistakes (it looks like a frosted mug).» —“From Mystics to Chemists” by Mark Yost Wall Street Journal Aug. 20, 2008. (source: Double-Tongued Dictionary)

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