sharpener

/'ʃɑ:pənə/

Thân thiện

A student uses a pencil sharpener on a yellow pencil.

Definition

1. Noun:
   • A tool or device used to make something sharp: A "sharpener" is any implement specifically designed to restore or create a sharp edge or point on another object, such as a pencil, knife, or blade.

Examples of Usage

• Noun:
  • I need a pencil sharpener before I can start the test.
  • This knife sharpener keeps our kitchen blades very sharp.
  • He bought a new sharpener for his collection of chisels.

Advanced Usage

• "to be a sharpener of skills" (figurative): Something that hones or improves abilities.
  • The challenging project was a sharpener of our problem-solving skills. (Note: This is a less common, metaphorical extension of the core meaning.)

Variants and Related Words

• Sharpen (verb): To make or become sharp.
  • You must sharpen the axe before chopping wood.
• Sharpening (noun): The action or process of making something sharp.
  • The sharpening of the sculpture's tools took an hour.

Synonyms

• Honing tool/stone: A device, often a stone, for refining an edge.
• Grinder: A machine or tool for grinding, which can include sharpening.

Related Phrases

• Pencil sharpener: A specific device for sharpening pencils.
  • The electric pencil sharpener is very efficient.
• Knife sharpener: A specific device for sharpening knives.
  • A good knife sharpener is essential for any chef.

Related Idioms

Học thuật

Noun

1. any implement that is used to make something (an edge or a point) sharper
   • a knife sharpener