| Main Entry: | laboratory |
| Part of Speech: | noun |
| Definition: | testing room |
Synonyms: |
chemistry laboratory, lab, research laboratory, workshop |
| Notes: | a laboratory is a room or building for the conduct of scientific research, while a lavatory is a room equipped with toilet facilities |
| Main Entry: | testing ground |
| Part of Speech: | noun |
| Definition: | proving ground |
Synonyms: |
lab, laboratory, testing room |