A laboratory (often shortened to lab) is a specially equipped room or building where scientists conduct experiments and research. Think of it as a workspace designed for discovery: instead of desks and filing cabinets, you'll find microscopes, test tubes, specialized measuring instruments, and equipment for carefully controlled experiments.

Laboratories exist for every kind of scientific work. A biology lab might have microscopes for examining cells and incubators for growing bacteria. A chemistry lab has burners, beakers, and safety equipment for mixing substances and observing reactions. Physics labs contain instruments for measuring electricity, light, and motion. Medical laboratories analyze blood samples and test for diseases.

What makes a laboratory different from a regular classroom or workspace is the precision and control it offers. Scientists need to measure things exactly, repeat experiments under identical conditions, and work safely with materials that might be dangerous in everyday settings. A lab provides the tools and environment to do this properly.

The word can also describe any place set up for testing and experimentation. A computer lab is a room full of computers for learning and programming. When someone says their kitchen is a laboratory, they mean they're experimenting with new recipes and techniques, treating cooking as a kind of delicious science.