▸ noun
(plural laboratories)
a room or building equipped for scientific experiments, research, or teaching, or for the manufacture of drugs or chemicals: pepsin can be extracted in the laboratory
a film processing laboratory
[as modifier] a laboratory technician.
▪ [as modifier] (of an animal) bred for or used in experiments in laboratories:
studies on laboratory rats.
– ORIGIN early 17th century : from medieval Latin laboratorium, from Latin laborare ‘to labor’.