atrophy
🇺🇸
/ˈætrəfi/
🇬🇧
/ˈætrəfi/
When parts of the body lose their strength and muscle because they're not being used enough.
His leg muscles went into atrophy after being in a cast for months.
彼の脚の筋肉は、数ヶ月にわたるギプス装着後に萎縮した。
When a body part weakens and becomes smaller because it's not used enough or doesn't get enough blood.
Without exercise, the muscles will atrophy.
運動をしなければ、筋肉は萎縮します。