| Laboratory (n.) The workroom of a chemist; also, a place devoted to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile. Thesaurus Entries X ray, blood bank, charity ward, clinic, consultation room, delivery room, dispensary, emergency, examining room, fever ward, hospital room, intensive care, isolation, lab, labor room, maternity ward, nursery, operating room, pharmacy, prison ward, private room, proving ground, recovery room, research establishment, research installation, research laboratory, semi-private room, surgery, therapy, think tank, treatment room, ward | ![]() |