You searched for: “bsl”
biosafety levels, BSL
A classification system used to indicate the safety precautions required for those investigating microorganisms; especially, viruses known to be dangerous, or lethal, to those exposed to them.

There are four BSLs, with BSL-4 requiring the highest level of security.

This entry is located in the following unit: bio-, bi-, -bia, -bial, -bian, -bion, -biont, -bius, -biosis, -bium, -biotic, -biotical (page 29)