noun
mastic
A paste used to seal gaps or bond building materials.
She presses each tile into the mastic on the wall.
Etymology
The original mastic was a plant resin used for chewing and other purposes. Its adhesive and sealing properties gave its name to later construction compounds with similar uses.
More examples
- Apply mastic around the vent to seal the gap.
- The contractor spreads mastic with a notched trowel.
- Check whether this mastic is suitable for wet areas.
Forms
mastic · mastics