Definition
A 'tremor' is an involuntary shaking or trembling, often caused by fear, excitement, or a medical condition. It implies a rhythmic, involuntary movement. Unlike a 'convulsion,' which is a violent, uncontrolled muscle contraction, a 'tremor' is more subtle and repetitive. Think of shaky hands when nervous or the earth shaking during a mild earthquake 🥶. It suggests underlying instability.