Englishfor English speakers
c
Noun
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C is the third letter of the alphabet.
"b" comes before "c"
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In some schools, an C is the passing grade.
Albert only just passed the exam; he got a C.
o
Noun
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The fifteenth (15th) letter of the alphabet. It is a vowel.
"o" comes after "n" and before "p"
nucleus
Noun
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A nucleus is the center of a cell or atom.
—
The center of anything.