- 化验室 huàyànshì laboratorylaboratory; a room or institution dedicated to performing chemical tests or medical assays
- 化验员 huàyànyuán laboratory technicianTechnician or assistant who performs laboratory tests and chemical analyses.
- 化验单 huàyàndān laboratory test formLaboratory test report or an application form for laboratory tests; a document used to record results or request clinical analysis.