Dictionary

semilethal

noun semi·le·thal \-ˈlē-thəl\

Definition of SEMILETHAL

:  a mutation that in the homozygous condition produces more than 50 percent mortality but not complete mortality
semilethal adjective
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First Known Use of SEMILETHAL

1919
Medical Dictionary

semilethal

noun semi·le·thal \-ˈlē-thəl\

Medical Definition of SEMILETHAL

:  a mutation that in the homozygous condition produces more than 50 percent mortality but not complete mortality
semilethal adjective

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