Definition

Noun: 1. A very hard, sharp tip or stylus made from diamond: This refers to a precision tool component where a small, pointed piece of diamond is used for its extreme hardness. It is typically employed for engraving, cutting, or as a contact point in precision instruments.

Usage Examples

• The delicate glass etching was done using a diamond point.
• The phonograph's needle featured a diamond point for superior sound reproduction and durability.
• For scribing lines on hardened steel, a tool with a diamond point is essential.

Advanced Usage

• Technical Context: In fields like geology (scratch testing for mineral hardness), metrology, and high-fidelity audio, a "diamond point" is valued for its wear resistance and ability to make fine, accurate marks or contacts without deforming.

Variants and Related Words

• Diamond-tipped (adj): Describing a tool that has a diamond point attached to its end.
  • A diamond-tipped drill bit is needed for this material.
• Diamond stylus (n): A specific term often used interchangeably with "diamond point," especially in the context of record players or profilometers.

Synonyms

• Diamond stylus
• Diamond tip
• Diamond scribe (when used for marking)

Related Phrases

• (To be) set with a diamond point: Describes a tool that is fitted with this component.
  • The engraving pen is set with a diamond point.

Noun

1. a very hard small point made from a diamond