razorblade
Học thuậtThân thiện
Definition
Noun: A thin, flat piece of metal with a very sharp edge, specifically designed for shaving hair from the skin. It is typically used in a safety razor or as a disposable component.
Usage
A "razorblade" is the cutting component of a shaving razor. It is a consumable item that is replaced when it becomes dull. The term specifically refers to the sharp blade itself, not the entire razor handle.
Examples
- He carefully inserted a new razorblade into his safety razor.
- The package contained five stainless steel razorblades.
- You must dispose of used razorblades in a secure container to prevent injury.
Advanced Usage
- Metaphorical Use: Sometimes used metaphorically to describe something extremely sharp, precise, or cutting (e.g., in criticism or wit).
- Her analysis was as sharp as a razorblade.
Variants and Related Words
- Razor Blade: The more common two-word spelling for the same item.
- Blade: A more general term for the flat cutting part of a tool or weapon, which can include a razorblade.
- Safety Razor: A shaving instrument that holds and protects the razorblade.
- Disposable Razor: A complete razor with a fixed, non-replaceable razorblade, designed to be thrown away after use.
Synonyms
- Shaving blade
- Razor (when referring to the entire unit, but not a precise synonym for the blade component alone)
Related Idioms and Phrases
- On a razor's edge: In a highly tense, risky, or precarious situation. (Note: This idiom uses "razor's edge," not "razorblade," but is conceptually related).
- The negotiations were on a razor's edge.
Noun
- a blade that has very sharp edge