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Meaning of industrial-strength

in•dus•tri•al-strength

Pronunciation: (in-dus'trē-ul-strengkth', -strength', -strenth'), [key]
— adj.
  1. unusually strong, potent, or the like: heavy-duty: an industrial-strength soap.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.