hayfork(1. A tool used for moving hay) noun [UK: ˈheɪ.fɔːk] [US: ˈheɪ.fɔːrk]
pitchfork [pitchforks](farm tool with tines) noun [UK: ˈpɪtʃ.fɔːk] [US: ˈpɪʧ.ˌfɔːrk]
ivdirgennoun
catalyst [catalysts](substance which increases the rate of a chemical reaction without being consumed in the process) noun [UK: ˈkæ.tə.lɪst] [US: ˈkæ.tə.ləst]