hard mass

American  

Or hard masse

noun

1. Jewelry. a hard glass used for imitating gemstones.

2. (not in technical use)

   1. any glass for imitating gemstones, especially emerald.

   2. any of certain synthetic gemstones.

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Example Sentences

A “fatberg” forms after baby wipes congeal with fats, oil, and grease, gradually forming a hard mass.

From Fox News

Her reverie, once rich in plausible details, had become a passing silliness before the hard mass of the actual.

From Literature

South West Water said a “fatberg” forms after baby wipes congeal with fats, oil, and grease, gradually forming a hard mass, The Guardian reported.

From Fox News

South West Water says a fatberg forms like a snowball – wet-wipes flushed down toilets congeal with fats, oil and grease, gradually forming a hard mass.

From The Guardian

Over time, these annual layers accumulate one atop another in a hard mass that makes up the coral skeleton.

From Scientific American