loupe

/'lu:p/

Thân thiện

A jeweler examines a diamond with a loupe.

Definition

1. Noun:
   • A small magnifying lens, typically set into a frame or handle, used for close inspection of small objects. It is commonly employed by professionals such as jewelers, watchmakers, and gemologists.

Usage

• The word "loupe" is a countable noun. It refers to a specific optical tool.
• It is used to describe the instrument itself, not the act of magnification.
• Example: "A jeweler always uses a loupe to examine the clarity of a diamond."

Examples

• Noun:
  • He peered through his loupe to inspect the tiny engraving on the watch movement.
  • A 10x loupe is essential for a serious stamp collector.
  • The gemologist identified the inclusion using her professional loupe.

Advanced Usage

• "To view something under a loupe": To examine something very closely and with great attention to detail.
  • The artisan viewed the intricate filigree work under a loupe to ensure its perfection.

Variants and Related Words

• Magnifier (n): A more general term for any device that makes objects appear larger.
• Eye loupe (n): A specific type of loupe designed to be held close to the eye.
• Head loupe (n): A magnifying loupe that is worn on the head, often with a light, leaving the user's hands free.

Synonyms

• Magnifying glass: A general term for a lens that magnifies.
• Hand lens: A simple magnifying lens held in the hand.

Notes on Meaning

• A "loupe" is specifically a high-quality, often portable magnifier used for detailed work. While all loupes are magnifying glasses, not all magnifying glasses have the optical quality or specific design (like being set in an eyepiece) to be called a loupe in professional contexts.

Học thuật

Noun

1. small magnifying glass (usually set in an eyepiece) used by jewelers and horologists

Từ đồng nghĩa

• jeweler's loupe