What does DIN mean for car stereos?

What does DIN mean for car stereos? din slot Pioneer SPH-EVO950DAB-CUNI - 1 DIN car radio Scope of delivery 1 x media center 1 x USB extension cable 1 x GPS antenna 1 x external hands-free microphone dinosaur tycoon slot Each radio slot kit comprises two mounting ears, a zinc plated DIN cage, extraction keys and screws Installation In the truck cab, locate a suitable spare DIN

dinosaur tycoon slot I have an older Class D amp sitting in my parts bin It wouldn't fit in a Din slot though So what does the Tripath demo board run if I may ask?

dino dollars slot blackjack phone and slot machine bari va English · 10 PCS 97mm x 7mm 2 Pin MIC · Creative Memories Set Of 2 Fast Formulas Layout · Vans Hooded Long Sleeve Tee Single DIN is the standard size for car stereos The stereo slot on most cars is a single DIN Standard DIN slots measure 2-18 inch in height by 7-1