Noun: The fear of being without one's cellphone.
Origin: Shortened from "no-mobile-phone phobia." The term was coined in 2008 during a study by the UK Post Office who commissioned research looking at anxieties suffered by cellphone users. Anxiety levels experienced by people who suffer from nomophobia when they are triggered by deprivation of access to their phone are said to be on par with that of wedding day jitters or a dentist visit.
New words pop up every day, it seems, and news sources are always happy to share them with their audiences.