biohazard
UK/'baɪəʊ,hæzəd/US/,baiәu'hæzәd/
C2
Definitions
n.
A biological substance, such as a virus or bacteria, that poses a danger to human health or the environment
生物危害（物），对人体健康或环境构成危险的生物物质（如病毒、细菌）
Root Breakdown
Root-derivedbio (life) + hazard (danger) = a danger that comes from living agents — infectious viruses, bacteria, or contaminated biological material.
Root bio still carries 34 more wordsCommon Collocations
- 1.biohazard symbol生物危害标志
- 2.biohazard suit生物防护服
- 3.biohazard waste生物危害废物
Example Sentences
- 1.
The lab is sealed off because of a biohazard.
- 2.
Used needles are disposed of in biohazard bins.