noun[ C ]biologyspecializeduk/ˈæn.tɪ.dʒən//ˈæn.tɪ.dʒen/us/ˈæn.tɪ.dʒən//ˈæn.tɪ.dʒen/
抗原
a substance that causes the body's immune system (= the system for fighting infections) to react, especially by producing antibodies (= proteins that attack harmful bacteria, viruses, etc.)