vax

[ vaks ]

/ væks /

Informal.

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noun plural vax·es, vax·xes.

a vaccine or vaccination: I never got my scheduled measles vax in the 1960s because I contracted the measles first.

verb (used with object) vaxed, vax·xed.

to vaccinate: Our hospital policy is that staff must be vaxxed by December 15.

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Origin of vax

By shortening and alteration