Englishfor English speakers
tumor
Noun
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A tumor is an abnormal growth of tissue in a human or animal.
lethal
Adjective
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If something is lethal it might kill you; it causes death.
Cobra's poison is lethal.
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If something was lethal it killed someone or something.
The bite was lethal in only a few hours.
dose
Noun
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A dose is a measured amount of medicine that is taken at one time.
Eat a dose of one spoonful of this cough medicine after every meal.