Added 9 October 2026 pel noun Categories: ThingsRare Words noun ! Definition from WordNet 3.1, Princeton University. More about pel at Wordnik → Where our words come from → (computer science) the smallest discrete component of an image or picture on a CRT screen (usually a colored dot). the greater the number of pixels per inch the greater the resolution Related Words: pixelcdwportfoliolfptwaprcpeccepelpstelpictel Back to today's word