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,
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.