a disease caused by uncontrolled cell growth
Smoking causes lung cancer, so you should stop right away.
gene
a part of cell in a that controls the development and appearance of a living thing
When someone is good looking, people usually say that they have good genes.
invade
to enter a place for the purpose of taking control of it
The army was ordered to invade the city in order to capture an important bridge.
permanently
for a long time; always
He was permanently disabled from the accident.
persistent
continuing to do something despite challenges or difficulties
The boys persistent requests for ice cream finally wore his father down.
presume
to think that something is true or likely without being certain
I presume she will be back by 9:00.
radiation
potentially harmful waves of energy given off by nuclear activity
The radiation leak from the nuclear power plant almost killed the local residents.
substantial
being large in degree, quantity, or size
He is a very rich man with a substantial amount of money and wealth.
tumor
an abnormal growth of cells
Sadly, George died at just 38 from a brain tumor.
unfortunately
in an unlucky manner unfortunately, I won't be able to attend the meeting.
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