hypertufa
English
Etymology
hyper- + tufa
Noun
hypertufa (uncountable)
- An anthropic rock made from aggregates bonded with Portland cement, intended as a substitute for natural tufa.
- 2007 June 7, Anne Raver, “Above Midtown, a Lilliputian Universe”, in New York Times:
- There are weight restrictions on rooftops and terraces, of course, and fiberglass is a lot lighter than tufa, the limestone rock used in alpine gardens, or the mix of cement, peat and sand that makes up hypertufa, the artificial stone used for troughs.
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