Definitions

1. noun

The state of being excited or stirred up; a feeling of enthusiasm or eagerness.

“The crowd’s excitation was palpable as the concert began.”

2. noun

A state of being excited or agitated, especially due to a stimulus, such as an electric current.

“The electron’s excitation led to the emission of a photon.”

3. noun

A reaction or response, especially a chemical one, caused by the application of energy.

“The chemical reaction was a result of the thermal excitation of the molecules.”

4. verb

To stimulate or excite, especially to a high level of activity or enthusiasm.

“The music excited the crowd, and they began to dance.”

5. verb

To raise the energy level of a particle or atom, especially by the application of energy.

“The laser excited the atom, causing it to emit light.”