1. hx - Noun
2. hx - Verb
Hx (uncountable)
(medicine) Abbreviation of history.
hx (uncountable)
(medicine) Abbreviation of history.
Alternative form: Hx
HX (third-person singular simple present HXs, present participle HXing, simple past and past participle HXed)
(aviation, travel, informal, abbreviation) (of an airline) to have an airline booking cancelled by the airline.
Hurry and issue the ticket or the airline will HX the reservation.
The airline oversold and they have HXed the passenger's booking.