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Definition of hazmat
hazmat
/ˈhæzˌmæt/
haz · mat
Plural:hazmats
•Adjective:hazmat
hazmat Lexical Profile
CEFR
B2
Grade
8
Tier
2
Usage
Top 10k
Syllables
2
hazmat Game Scores & Validity
Scrabble US
Scrabble UK
WWF
Wordle Guess
• adjective
1
Relating to, designed for, or involving the handling, containment, or disposal of hazardous materials.
Example
"The technicians wore specialized hazmat suits while inspecting the abandoned chemical plant."
• noun
1
A substance or material, such as a toxic chemical, radioactive agent, or biohazard, that poses a significant risk to health, safety, property, or the environment.
Example
"Strict federal regulations govern the transportation of hazmat across state lines."
Synonyms
View all synonyms for hazmatWord Origin & Etymology
Coined in the 1970s in American English as a syllabic blend of the words "hazardous" and "material" (or "materials").
Cite this Entry
Wordmom. (2026). Definition of Hazmat. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/hazmat