Is “Modular” a Scrabble word?
Yes
MODULAR
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Modular
adjective
1.Consisting of separate modules; especially where each module performs or fulfills some specified function and could be replaced by a similar module for the same function, independently of the other modules.
2.Of or relating to a module or modules.
3.Relating to mode or modulation.