Other hyponyms of apparatus include
aerator,
burner,
cascade liquefier,
centrifuge,
extractor,
separator,
chemical reactor,
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,
still,
submersible,
telegraph,
telegraphy,
titrator,
X-ray machine,
scintigraph,
scintiscanner,
atmoradiograph,
memory apparatus,
mnemometer,
whirling table,
calorisator,
calorizator,
chromatograph,
disinfector,
defecator,
pasteuriser,
pasteurizer,
adsorber.