razor blade

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razor blade (plural razor blades)

2. A thin piece of steel with a sharp edge that can be fitted into a razor.
4. A replaceable cartridge in which razor blades are set, fitted into a razor.

   Synonym: head (elliptically)

6. (loosely) A thin interchangeable blade for a utility knife (especially, that of a Stanley knife) that is similar to a razor blade stricto sensu (in size, thinness, and sharpness).

• razorblade, razor-blade

razor blade (third-person singular simple present razor blades, present participle razor blading, simple past and past participle razor bladed)

1. (rare) Alternative form of razor-blade
   • 1988, Certain High Intensity Retroreflective Sheeting, Inv. 337-TA-268, page 374:

     In the razor blade tests DeVries conducted the person who was razor blading it before cure was exactly the same person that was doing it after cure.

   • 1991, Rob Rachowiecki, Peru: A Travel Survival Kit, page 185:

     It's unlikely that anyone will razor blade your pack open inside a hotel, but light fingers may, occasionally, dip into unlocked luggage.

   • 2019, Simon Quail, Gangway: A Life at Sea, page ii:

     I was the last man aboard. The last to feel her as a living vessel before she became a steel hulk and was razor bladed.

   • 2020, Natan Sharansky, ‎Gil Troy, Never Alone: Prison, Politics, and My People:

     To those of us living in democracies today, the image of my father sitting at home and razor blading out a page to glue in the newly updated replacement might seem ridiculous.