Definition of semilethal
: a mutation that in the homozygous condition produces more than 50 percent mortality but not complete mortality
semilethal
adjectiveExplore M-W
First Known Use of semilethal
1919
Medical Dictionary
semilethal
play
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
adjectiveSeen and Heard
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