Tra từ hardness - Từ điển WordNet v3.1

noun

1. the property of being rigid and resistant to pressure;
not easily scratched;
measured on Mohs scale
• Ant:
softness
• Derivationally related forms:
hard
• Hypernyms:
consistency, consistence, eubstance, body
• Hyponyms:
firmness, incompressibility
• Attrubites:
hard, soft
2. 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
• Hypernyms:
quality
3. devoid of passion or feeling;
hardheartedness
• Syn:
unfeelingness, callousness, callosity, insensibility
• Derivationally related forms:
insensible (for: insensibility), hard, callous (for: callosity), callous (for: callousness), unfeeling (for: unfeelingness)
• Hypernyms:
insensitivity, insensitiveness
• Hyponyms:
dullness
4. 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
• Syn:
ruggedness
• Derivationally related forms:
rugged (for: ruggedness), hard
• Hypernyms:
difficulty, difficultness
5. excessive sternness
- severity of character
- the harshness of his punishment was inhuman
- the rigors of boot camp
• Syn:
severity, severeness, harshness, rigor, rigour,
rigorousness, rigourousness, inclemency, stiffness
• Derivationally related forms:
hard, inclement (for: inclemency), rigorous (for: rigorousness), rigorous (for: rigor), harsh (for: harshness), severe (for: severeness), severe (for: severity)
• Hypernyms:
sternness, strictness