Englishfor English speakers
food
Noun
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Food is what people and animals eat for nutrition or pleasure when they are hungry.
We grow our own food.
He eats many foods from other lands.
I'm going to get the children some food from the restaurant because they're hungry.
deficiency
Noun
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A deficiency is a case when there is not enough of something.
There can be a vitamin deficiency, where people don't get enough vitamins and can get sick.
There can be a money deficiency, where there is not enough money to do something.