kōgen
1. antigen
★ Common
Noun
#98442
1. antigen
1. If antigen; When antigen
1. If antigen; When antigen
1. Wasn't an antigen.; Wasn't a test subject.
1. Not an antigen.; Not a source of antigens.
1. Is not an antigen.; It is not an antigen.
1. Was an antigen.
1. It's not an antigen.; It isn't an antigen.
1. Wasn't an antigen.; Was not an antigen.
1. Antigen.; Is an antigen.