(1) A non-curved screen on a TV. Contrast with curved screen. See flat screen. (2) A reference to TVs when LCD screens were replacing CRTs starting in the late 1990s and early 2000s. See flat screen.

When many of us purchase a brand-new flat-screen TV, we set it up and forget about it. As time goes on, you might notice a smudge here and a fingerprint there, all of which can interfere with your ...