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Pronunciation varies by accent · noun
(organic chemistry) A derivative of cephem in which an oxygen atom has been substituted for sulfur; the basis for a group of antibiotics.
Use oxacephem when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Oxacephem means (organic chemistry) A derivative of cephem in which an oxygen atom has been substituted for sulfur; the basis for a group of antibiotics.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use oxacephem where its definition matches the intended context.
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