Is “Lab” a Scrabble word?
Yes
LAB
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 Lab
/læb/
noun
1.A laboratory.
2.(chiefly in the plural) Laboratory experiment, test, investigation or result.
“I dropped my mixture while doing my lab, so I had to start over.”