Hazardous material

Pronunciation: /ˈhæzɝdəs məˈtɪɹiəɫ/

Hazardous material (noun)

  1. A substance that can seriously harm people, animals, or the environment if handled, stored, or transported incorrectly.
  2. A type of dangerous item that must follow special rules for shipping, labeling, and storage to reduce risk.

Examples

  • The lab stores a dangerous substance safely.
  • This dangerous substance can harm people quickly.