actinotherapy (noun)

1. In the popular anime series, a character undergoes actinotherapy to treat their rare illness.

2. In the romantic novel, the protagonist's love interest receives actinotherapy to battle their cancer.

3. According to ancient mythology, the gods bestowed actinotherapy upon mortals to heal their ailments.

4. In the classic piece of literature, actinotherapy is used as a symbolic representation of hope and rejuvenation.