laboratory UK /ləˈbɒɹət(ə)ɹi/US /ˈlæb(ə)ɹəˌtɔɹi/ noun2 •a room or building with the equipment needed for science tests and research •A place where chemicals, drugs or microbes are prepared or manufactured.[Isaac Newton] was obsessed with alchemy. He spent hours copying alchemical recipes and trying to replicate them in his laboratory. He believed that the Bible contained numerological codes. — 2014 formslaboratories