This tool relates English terms to concepts from the
SUMO
ontology by means of mappings to
WordNet synsets.
According to WordNet, the noun "hardness" has 5 sense(s).
104937587 a quality of water that contains dissolved mineral salts that prevent soap from lathering; "the costs of reducing hardness depend on the relative amounts of calcium and magnesium compounds that are present".
104710588 the quality of being difficult to do; "he assigned a series of problems of increasing hardness"; "the ruggedness of his exams caused half the class to fail".
