Englishfor English speakers
entail
Verb
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If mathx/math entails mathy/math, mathy/math is involved in mathx/math as an important part.
I accept the office of the President and all of the responsibilities it entails.
a
Determinative
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A is used when the following word could be any of a certain type.
Compare "A book I saw on the shelf" and "The book I gave you yesterday".
a
Noun
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A is the first letter of the alphabet.
The letter "a" comes before "b".
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In some schools, an A is a very high grade.
Ron got an A on his earth science test.
loss
Noun
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A loss happens when something goes where people can't find it. People don't know where the thing is or they don't have it any more.
The loss of my keys means I can't go into my house today.
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Loss is when someone's loved one dies. When someone dies, they are no longer with you.
I loss both of my grandparents from old age.
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A loss (shown as L) is charged to the pitcher of the losing team.