anaphylactogen an·a·phy·lac·to·gen (ān'ə-fə-lāk'tə-jən)
n.
A substance capable of producing anaphylaxis in an individual.
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
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