stimulus
Meaning 1:
A stimulus is something that makes you react or respond.
Meaning 2:
For example, when you hear a loud noise, like a fire truck siren, it can be a stimulus that makes you cover your ears.
Other Words
A stimulus is something that makes you react or respond.
For example, when you hear a loud noise, like a fire truck siren, it can be a stimulus that makes you cover your ears.