knife blade
Học thuậtThân thiện
Definition
Noun: The flat, sharp-edged cutting part of a knife. It is the metal component that does the actual cutting or slicing.
Usage
The term "knife blade" specifically refers to the cutting portion of the knife, distinct from its handle. It is used when discussing the tool's construction, sharpness, or function.
Examples
- The knife blade was so sharp it could slice paper effortlessly.
- He carefully cleaned the knife blade after preparing the vegetables.
- The quality of a knife often depends on the steel used for the knife blade.
Advanced Usage
- Metaphorical Use: Can refer to something perceived as sharp, threatening, or precise.
- The critic's words had the keen edge of a knife blade.
Variants and Related Words
- Blade: A more general term for the flat cutting part of any tool or weapon (e.g., razor blade, sword blade, blade of grass).
- Knife: The complete tool, consisting of both the blade and the handle.
Synonyms
- Cutting edge
- Knife edge
Related Phrases
- On a knife blade/edge: In a state of extreme tension or precarious balance.
- The negotiations were balanced on a knife blade, with peace hanging in the balance.
- Turn the knife blade: To worsen someone's emotional pain (a variant of "turn the knife").
- By mentioning her past failure, he turned the knife blade.
Notes
"Knife blade" is a compound noun. Its primary meaning is literal, describing the physical object. Its use in idioms and metaphors draws directly from its properties of sharpness and danger.