immunology
n. uncountablen. the study of how your body protects itself from germs and diseases. It looks at how your immune system works to keep you healthy.
n. the branch of medicine and biology concerned with the structure and function of the immune system, including the body's response to foreign substances.
She decided to study immunology to understand how vaccines work.
Advances in immunology have led to the development of new treatments that help the body fight cancer cells.
The field of immunology has expanded rapidly as researchers uncover the complex signaling pathways that allow white blood cells to distinguish between healthy tissue and invading pathogens.
From immune + -ology.
Uncountable when referring to the scientific field; often used as a modifier in noun phrases like 'immunology research' or 'immunology department'.