The Clue
Chem classes (4 letter answer)
The Answer
LABS
Tags
Notes
The answer LABS is common and appears about once every 225 puzzles.
Related Clues
Bell ___
Workshops
Chem. milieus
Chem rooms
Chem. rooms
Culture areas?
Etna locations
Experiment sites
NASA sites
Pharmaceutical workplaces
Places for etnas
Places for experiments
R&D sites
Research ctrs.
R.P.I. rooms
Scientists' places
Teaching venues
Test areas
Test sites
Test venues
Testing centers
Testing facilities
Workplaces for Edison
Big dogs, for short
Certain dogs, for short
Certain retrievers, for short
Culture development sites
Diagnostic data, informally
Family dogs, for short
Handsome dogs, informally
Places for sci. experiments
Science building features
Science class sessions
Sites for some analyses
Some course requirements
Some retrievers, familiarly
Testing places, for short
Child-friendly dogs, informally
Where cures are discovered
Where many cultures thrive
Definition
LAB as a noun:
1. (lab, laboratory, research lab, research laboratory, science lab, science laboratory) = a workplace for the conduct of scientific research