blunt file
- noun
- Specialized
- The machinist selected a blunt file to smooth the edges of the metal plate.
Examples
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You can achieve a flat surface with a blunt file thanks to its parallel sides.
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The carpenter used a blunt file to smooth the wood.
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Using a blunt file, she carefully shaped the piece of wood.
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I need a blunt file for this project.
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The machinist selected a blunt file to smooth the edges of the metal plate.
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Using a blunt file, she carefully shaped the piece of wood.
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The carpenter used a blunt file to smooth the wood.
Synonyms
A rough tool with sharp teeth used to shape metal or wood
A tool used to smooth and shape wood and metal by rubbing
A small file with two different ends for shaping and smoothing hard materials
A hand tool with a rough flat surface that you move to smooth or shape wood and metal
A hand tool with edges that narrow to a point for shaping and smoothing metal or wood
A metal tool with a round shape to smooth or widen holes
A rough tool with sharp teeth that shapes and smooths wood
Surface Forms
Morphology
The phrase 'blunt file' is a straightforward adjective + noun composition: 'blunt' (not sharp) modifying 'file' (an abrading tool), so a learner who knows both words can infer it is a file lacking a sharp edge used for smoothing or shaping. This literal, compositional meaning follows common cross-linguistic adjective-noun patterns and is therefore immediately understandable to a B1 learner.
Etymology
Blunt file names a tool: a file that is blunt, or not sharp, with flat, even sides that rub and smooth metal or wood instead of cutting it. That's why it means 'a tool for smoothing or shaping'.