to stop
The fighting ceased when the two sides came to an agreement.
commodities
a product which can be bought or traded
Many commodities are bought and sold worldwide every day.
curse
a cause of harm or misfortune
The witch put a curse on the town before leaving.
excavation
a hole or cavity formed by digging
An excavation near the border revealed many exciting findings.
external
existing on the outside of something
Skin is external to the body's organs.
flint
a very dense and hard material that produces sparks when struck hardly
The campers used a piece of flint to start a fire.
hominid
any family of two-legged primates
The hominids became the dominate group worldwide.
influence
the power to cause an effect over something else
The judge's ruling had a great influence on the community.
infrastructure
basic services, such as roads, bridges, power lines, etc.
Rome’s agricultural production could not provide sufficient energy to maintain its infrastructure and the welfare of its citizens.
inherently
of being essential
Climbing a mountain without a rope is inherently a bad idea.
internally
existing on the inside of something
Although it could not be seen, the man was bleeding internally.
intuitively
readily learned or understood
One would intuitively assume that studying is a good idea.
mine shaft
an opening used to enter a mine
The mine shaft was closed because it was unsafe for use.
ochre
a red or yellow iron used as a pigment
The natives used ochre to pain their faces.
plume
a bird's feather
We found a plume of a robin in the back yard.
pose
to set in place
The woman's testimony posed a problem for the defendant.
potential
possibility
The new graduate student showed great potential to become famous.
smelting
the melting or fusing of a material
The smelting of the substances created the desired product.
strata
a sheet or layer of rock
The earth is composed of many stratas.
susceptible
open or unresistant to a stimulus
The little girl was susceptible to catching colds.
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