1. reduces to atoms or fine particles; breaks up into very small parts
Usage: British spelling; third person singular present
2. converts a liquid into a fine spray or mist
Usage: British spelling; third person singular present; technical

Examples

• The machine atomises the paint for even coverage.
• Heat atomises the water into tiny droplets.
• The spray bottle atomises the cleaning solution.
• The engine atomises fuel for better combustion.
• The device atomises medicine for inhalation.
• Wind atomises the waterfall into mist.