EntityQ410371· pop 10· linked from 2 articlesHXSign in to saveHX or Hx may refer to:Article5 sectionsContentsPlacesScience and technologyTransportOther usesSee alsoHX or Hx may refer to:== Places == HX postcode area, England Harolds Cross, Dublin, IrelandRead full article (6 paragraphs)Connectionsmedical historyEntityheat exchangerEntity