അർത്ഥം : సబ్బుతో ఉతకలేని లవణాలతో కూడిన నీళ్ళు
ഉദാഹരണം :
కఠినజలంతో దుస్తులు ఉతకడం కష్టం.
പര്യായപദങ്ങൾ : కఠినజలం, కలషిత నీరు
മറ്റ് ഭാഷകളിലേക്കുള്ള വിവർത്തനം :
Water that contains mineral salts (as calcium and magnesium ions) that limit the formation of lather with soap.
hard water