apparatus vs chemical reactor

Other hyponyms of apparatus include aerator, burner, cascade liquefier, centrifuge, extractor, separator, condenser, copier, duplicator, electrograph, generator, heat pump, heliograph, brooder, incubator, instillator, Kipp's apparatus, lighting, nuclear reactor, reactor, optical bench, pendulum, purifier, reformer, semaphore, sequenator, sequencer, soda fountain, still, submersible, telegraph, telegraphy, titrator, X-ray machine, scintigraph, scintiscanner, atmoradiograph, memory apparatus, mnemometer, whirling table, calorisator, calorizator, chromatograph, disinfector, defecator, pasteuriser, pasteurizer, adsorber.