lethal

(redirected from lethal trait)
Also found in: Dictionary, Thesaurus.

le·thal

(lē'thăl),
Pertaining to or causing death; especially denoting the causal agent.
[L. letalis, fr. letum, death]
Farlex Partner Medical Dictionary © Farlex 2012

le·thal

(lē'thăl)
1. Pertaining to or causing death; denoting especially the causal agent.
2. biowarfare An agent that causes death in 10% or more of healthy adults.
[L. letalis, deadly, fr. letum, death]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

lethal

causing death.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

le·thal

(lē'thăl)
Pertaining to or causing death; especially denoting the causal agent.
[L. letalis, deadly, fr. letum, death]
Medical Dictionary for the Dental Professions © Farlex 2012