Word.ws English Dictionary

fire diamonds

fire diamonds is the plural of fire diamond.

Meaning of fire diamond

Noun

fire diamond (plural fire diamonds)

  1. (informal) A coloured diamond symbol identifying the specific risks posed by a hazardous material according to the NFPA 704 classification.
    • Many facilities that manufacture, use, or store hazardous materials use the NFPA fire diamond to communicate fire hazards. Indeed, numerous cities have local regulations or ordinances requiring the use of fire diamonds or equivalent communication/warning labels.1999, Gayle Woodside, Hazardous Materials and Hazardous Waste Management, page 133

Questions about fire diamonds

What is fire diamonds the plural of?
Fire diamonds is the plural of fire diamond.

Words near fire diamonds in the dictionary

  1. fire department
  2. fire departments
  3. fire devil
  4. fire devils
  5. fire diamond
  6. fire diamonds
  7. fire dog
  8. fire dogs
  9. fire door
  10. fire doors
  11. fire drill

Source and license

Adapted from Wiktionary: fire diamonds (page history and authors); fire diamond (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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