Englishfor English speakers
terrain
Noun
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Terrain is an area of land or the particular features of it
This car is able to endure the mountainous terrain.
shielding
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noun
the act of shielding from harm
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noun
a shield of lead or concrete intended as a barrier to radiation emitted in nuclear decay
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noun
shield consisting of an arrangement of metal mesh or plates designed to protect electronic equipment from ambient electromagnetic interference