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Medical Dictionary

hard

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adjective \ˈhärd\

Medical Definition of hard

  1. 1:  not easily penetrated :  not easily yielding to pressure

  2. 2aof liquor :  strongly alcoholic; specifically :  having an alcoholic content of more than 22.5 percentb:  characterized by the presence of salts (as of calcium or magnesium) that prevent lathering with soap <hard water>

  3. 3:  of or relating to radiation of relatively high penetrating power <hard X-rays>

  4. 4a:  physically fit <in good hard condition>b:  resistant to stress (as disease)

  5. 5:  being at once addictive and gravely detrimental to health <such hard drugs as heroin>

  6. 6:  resistant to biodegradation <hard detergents> <hard pesticides like DDT>

  7. hard·ness noun





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