The medical term for "loss of appetite" is

anorexia

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anorexia.

The medical term for "loss of appetite" is "anorexia." Anorexia can refer to both the physical loss of appetite as well as the psychological disorder characterized by an intense fear of gaining weight and a distorted body image.

To find the medical term for specific conditions or symptoms, you can use various sources such as medical dictionaries, healthcare websites, or consult with a medical professional. Medical dictionaries can be found online or in print, providing definitions and explanations of medical terms. Healthcare websites, particularly those associated with reputable medical organizations or institutions, often have extensive resources for understanding medical conditions.

Additionally, consulting with a medical professional, such as a doctor or nurse, can provide accurate and personalized information about medical terms and their implications. They have the expertise to diagnose and treat various conditions and can provide you with the most up-to-date and reliable information regarding medical terminology.