blåljus

Etymology
From 🇰🇲.

Noun

 * 1) emergency vehicle lighting
 * 2) emergency vehicles
 * 3) type of short news reports, often web-based, about recent, often local, accidents and emergencies
 * 4) (sometimes as prefix) something that is about emergencies or emergency vehicles
 * 5) high-energy light in the violet/blue band from 400 to 450 nm in the visible spectrum; see High-energy visible light
 * 6) a hardy perennial flowering plant with cup-shaped, lavender-coloured or white flowers