laboratory

noun pl. laboratories

1. a room, building, etc. for scientific experimentation or research
2. a place for preparing chemicals, drugs, etc.
3. ☆ a place where theories, techniques, and methods, as in education or social studies, are tested, analyzed, demonstrated, etc.
4. a room, often containing special equipment and materials, in which students work to enhance skills, remedy deficiencies, etc. in a particular subject, as a foreign language
5. a class period during which students perform experiments or work in a laboratory

adjective