lethal- +
(Latin: deadly, mortal)
From Latin letalis, "deadly, fatal"; from letum, "death".
lethal
1. Anything that is certain to or intended to cause death.
2. Enough to kill; fatal.
3. Harmful or causing disaster or destruction: "The senator made a move that was lethal to his political career."
lethal dose (LD)
The amount of a toxic substance that will cause death in a person.
lethality, lethalness
1. The quality of being deadly.
2. Capable of causing death.
lethiferous
Anything that causes or results in death; deadly; destructive.
nonlethal
1. Not capable of causing death.
2. Primarily a reference to police control in which non-lethal force, also called less-than-lethal or less-lethal force, is intended to be unlikely to kill or to cause great bodily injury to a human target.
photolethal
A reference to the lethal effects of light.
semilethal
1. Lethal in more than 50 percent but fewer than 100 percent of cases.
2. A mutation that in the homozygous condition produces more than 50 percent mortality but not complete mortality.
sublethal
1. Almost lethal or fatal.
2. Less than lethal; such as, a sublethal dose of poison.
sublethally
Not sufficient to cause death.
Related "death, dead; kill" units:
-cide;
mort-;
neci-;
necro-;
phono-;
thanato-.
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