noun
EXAMPLES FROM CORPUS
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Above the doorway were inscribed the letters AM .
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And because their audiences are smaller, the AM stations are generally worth far less.
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But somebody still cares about AM sound.
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But the AM is truly spectacular.
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Industry insiders agree any crummy AM station license is certainly worth at least a hundred grand.
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Its audio response is more than two octaves greater than a standard AM radio.
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She made out the letters AM .