diamond-drill
Definition
Noun: - A type of drill that uses a diamond-tipped bit to cut through hard materials (such as rock, concrete, or glass) by abrasion. The diamonds are embedded in the drill's cutting edge to achieve high hardness and precision.
Usage Examples
- (A drill with diamond tips for cutting hard surfaces.)
- (A specialized drill for sampling hard geological materials.)
Advanced Usage
"diamond-drill core": a cylindrical sample of rock obtained using a diamond-drill.
- The diamond-drill core revealed layers of ancient sediment. (The sample extracted by the diamond-drill showed geological history.)
"diamond-drill bit": the cutting head of a diamond-drill, which is coated or impregnated with industrial diamonds.
- The diamond-drill bit must be cooled with water to prevent overheating. (The diamond-tipped part of the drill requires cooling.)
Variants and Related Words
Diamond-drilling (n): the process of using a diamond-drill.
- Diamond-drilling is essential for mining exploration. (The activity of drilling with diamond-tipped tools.)
Diamond-tipped (adj): having a point or edge made of diamond (often used for drills, but not limited to them).
- A diamond-tipped saw blade can cut through tiles. (A blade with diamond edges.)
Synonyms
- Core drill: a drill designed to remove a cylinder of material, often used synonymously with diamond-drill in geology.
- The core drill extracted a perfect sample. (Similar to a diamond-drill for coring.)
Phrasal Verbs
- Drill out (with diamond-drill): to remove material by using a diamond-drill.
- They had to drill out the broken bolt from the engine block. (Use a diamond-drill to extract a stuck object.)
Related Idioms
- "as hard as a diamond-drill": an informal expression meaning extremely tough or resilient.
- His determination was as hard as a diamond-drill. (He was very persistent.)