"Antireflective" refers to a surface treatment or coating that reduces or eliminates the reflection of light. It makes things easier to see by minimizing glare and improving clarity. Full definition
(In contrast, the iPad mini 4 has a fully - laminated display with antireflective coating, as do both iPad Pro models.) (imore.com)
The Good The new iPad Pro delivers a fast processor; a bright, antireflective display; support for Apple Pencil and Smart Keyboard accessories; better, louder speakers and top - notch cameras, in the same exact body as the iPad Air 2. (cnet.com)
In terms of appearance, the Apple iPad mini 4 is expected to go with the same design language as the iPad Air 2 — from the laminated display with antireflective covering to the same thin 6.1 mm build. (christiantoday.com)