English

Noun

hardwater ‎(uncountable)

1. Alternative form of hard water
   • 2001, Michael Kasenow, Applied Ground-water Hydrology and Well Hydraulics, ISBN 1887201289, page 8:

     That is why it takes more soap to make a good lather when using hardwater.

   • 2003, John Dighton, Fungi in Ecosystem Processes, ISBN 0824755251, page 69:

     The greater availability of nutrients in hardwater streams stimulated more abundant fungal biomass and and fungal activity and resulted in a more diverse fungal species assemblage.

   • 2012, Felix Bärlocher, The Ecology of Aquatic Hyphomycetes, ISBN 3642768555, page 162:

     In experiments which seem appropriate to this topic, Abel and Bârlocher (1984) found that cadmium was more toxic to aquatic hyphomycetes in softwater with low calcium concentrations than in hardwater with high calcium levels.