Regardless of whether it may be a triggered error, as john suggests, or a soap spy, as Danilo Enrique Noreña Benitez says, it could also be an adjective for something that has the characteristics of an axion. As this is a theoretical particle that would explain just asymmetrical behavior within quantum physics, it is possible that in some text they have used a neologism as 'axioned' to justify differences in load, or parity, or symmetry. . . that should not exist.
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