what is the plural of apparatus
See all translations. uk â /ËÃ¦p.ÉËreÉª.tÉs/ us â /ËÃ¦p.ÉËrÃ¦tÌ¬.És/ plural apparatuses. âº [ U or C ] a set of equipment or tools or a machine that is used for a particular purpose: a piece of apparatus. The divers checked their breathing apparatus.