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semilethal

noun semi·le·thal \ ˌse-mē-ˈlē-thəl , ˌse-ˌmī- , -mi- \

Definition of semilethal

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

semilethal

adjective

First Known Use of semilethal

1919

in the meaning defined above

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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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semilethal

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