1. A state of being emotionally stimulated or aroused; heightened emotional state
The children's excitement was evident as they waited for the birthday party to begin.
A excitação das crianças era evidente enquanto esperavam a festa de aniversário começar.
2. In physiology, the process of stimulating a nerve, muscle, or organ to action
The excitation of the nerve cells triggers a response.
A excitação das células nervosas desencadeia uma resposta.