Medical term for involuntary rhythmic muscle movements; used in contexts such as essential tremor, Parkinsonian tremor, or physiological trembling.
Essential tremor is a condition that causes shaking in the hands or head.
The doctor assessed the severity of the patient's tremor.
震え is the general word for trembling or shivering, used in everyday language for cold, fear, or excitement. 振戦 is a technical medical term for pathological tremor.
Standard medical kanji spelling for tremor.
Uncommon variant combining 振 and 顫; mostly historical.
Older variant using 顫, which is not a jōyō kanji; rarely used in modern texts.
Sino-Japanese medical term composed of 振 (to shake, to wave) and 戦 (to tremble, to shiver). The reading しんせん follows the on'yomi of both characters.