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Definition of Lethal
1. Adjective. Of an instrument of certain death. "A lethal injection"
Definition of Lethal
1. n. One of the higher alcohols of the paraffine series obtained from spermaceti as a white crystalline solid. It is so called because it occurs in the ethereal salt of lauric acid.
2. a. Deadly; mortal; fatal.
Definition of Lethal
1. a death-causing genetic defect [n -S]
Medical Definition of Lethal
1. Deadly, fatal. Origin: L. Lethalis, from lethum = death This entry appears with permission from the Dictionary of Cell and Molecular Biology (11 Mar 2008)
Lexicographical Neighbors of Lethal
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