m 3 u 1 l 1 t 1 i 1 p 3 r 1 o 1 g 2 r 1 a 1 m 3 m 3 i 1 n 1 g 2
16 letters · 26 points in Scrabble
Meaning
noun the execution of two or more computer programs by a single computer
originFrom multi- + programming.
Etymology from Wiktionary, CC BY-SA 3.0