a building, part of a building, or other place equipped to conduct scientific experiments, tests, investigations, etc., or to manufacture chemicals, medicines, or the like.

any place, situation, set of conditions, or the like, conducive to experimentation, investigation, observation, etc.; anything suggestive of a scientific laboratory.

serving a function in a laboratory.

relating to techniques of work in a laboratory

laboratory methods; laboratory research.

noun

chemistry laboratory , lab , research laboratory , workshopnotes:a laboratory is a room or building for the conduct of scientific research , while a lavatory is a room equipped with toilet facilities