pencil lead

[ˈpɛnsəl lid]

Definition:
1. Mixture of graphite with clay in different degrees of hardness.

Use 'pencil lead' in a sentence:

• 1. A discovery made from pencil lead is promising to change the future of the electronics industry.
• 2. Do you think pencil lead will wash out of this white shirt?
• 3. The location analysis results of the pencil lead breaking test on thermal barrier coating showed the accuracy of this method.
• 4. Each one was grooved to half the thickness of a pencil lead. Two slats were glued together with the lead between.
• 5. Health professionals currently lead the main box and pencil lead.
• 6. The color of an HB pencil lead is too light to be read by the machine.
• 7. I'm out of pencil lead.
• 8. Experiments were carried out on sheet metal with the signal of pencil lead breaking as simulating source.
• 9. The pencil lead is broken.