noun
EXAMPLES FROM CORPUS
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A razor blade or serrated knife will work well.
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A boy would have better opportunities - of doing that nasty trick with the razor blade , for example.
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After removing the tape, pare away any surplus adhesive with a razor blade .
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He turned off the cold water, picked up the razor blade and sat on the floor next to the tub.
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I now remembered that I had put a razor blade under the insole of my shoe, and I removed it.
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Two guards were attacked with a razor blade and slightly injured.