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harmful substances JUST WRITTEN FOR YOU

/ˈhɑrmfʊl ˈsʌbstənsiːz/ · harm. ful sub. stan. ces
noun
  1. Substances that can cause harm or injury to living organisms, the environment, or both. The government has implemented regulations to limit the use of harmful substances in consumer products.
noun
  1. Chemicals or materials that are toxic or poisonous, often requiring special handling and disposal. The lab technician wore protective gear when handling harmful substances in the experiment.
Did you know? The term 'harmful substances' is often used in the context of environmental protection and public health, highlighting the importance of responsible handling and disposal of hazardous materials.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Aug 5, 2026