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nonrenewable resource
A material from nature, like coal or oil, that cannot be replaced quickly.
norm
A standard or typical pattern.
not again
Said to show annoyance when something bad happens once more.
not get a wink of sleep
To be unable to sleep at all during the night.
not miss a beat
To continue smoothly without hesitating after a surprise or interruption.
not on your life
Absolutely not; never.
not ring a bell
To not seem familiar or remind you of anything.
notably
In a way that is worthy of attention.
nothing short of
Used to say that something is truly or completely a certain way.
notice
A written sign or message put up to inform or warn people.
nova
astronomical event
novel
A long fictional story about human experiences.
now and then
Occasionally; not frequently.
nuclear reactor
A machine that controls atomic reactions to produce energy, usually for electricity.
null and void
no longer valid or effective
nutrient
A substance that provides nourishment.
Words selected by Inoh for the TOEFL iBT test. Not an official ETS list. How these words were chosen →