1. relating to or involving quanta or quantum theory
Usage: physics; technical
2. occurring in discrete amounts or steps rather than continuously
Usage: technical

Examples

• The quantal nature of energy absorption explains why atoms emit light at specific wavelengths.
• Researchers observed quantal changes in the protein’s behavior.
• The quantal response of the system made precise measurements difficult.
• Quantal effects become more apparent at the molecular level.
• The drug showed quantal dose-response characteristics.
• Scientists studied the quantal properties of electron transitions.