excitation.

1. The raising of a physical system from a lower-energy state to a higher-energy state.

2. The stimulation of activity or a heightened responsive state.

Use it for

Words that belong together

• atomic excitation
• molecular excitation

On the page

The pulse produced atomic excitation.

The gas emitted light after excitation.

Usage notes

Primary category: sci-fi. Forms: Usually uncountable; excitations for individual states or events. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings.