noun
- an extremely lightweight solid material derived from a gel in which the liquid component has been replaced with gas
Usage: scientific; materials science
Examples
- The aerogel insulation helped protect the spacecraft from extreme temperatures.
- Scientists developed a new aerogel that is 99% air by volume.
- The translucent aerogel looked like solidified smoke.
- Aerogel is one of the lightest solid materials known to science.
- The research team used aerogel to capture cosmic dust particles.
- Despite its fragile appearance, aerogel has excellent insulating properties.