airbubbles
nounUK /ˈeəˌbʌbəlz/
US /ˈerˌbʌbəlz/
Little balls of air that you can see inside water.
The fish blew airbubbles up to the top of the tank.
OTHER MEANINGS
2. Small pockets of air trapped in a solid material such as glass or ice.
The old glass vase had tiny airbubbles trapped inside it.
3. Bubbles of air in a liquid that make it look fizzy.
Airbubbles rose quickly through the lemonade.
4. Air-filled spaces in soil or dough that help plants breathe or bread rise.
Good soil has many airbubbles so roots can get oxygen.