noun[mass noun] Chemistry
A colourless foul-smelling gaseous compound of phosphorus and hydrogen, analogous to ammonia.
- The two main alternatives for methyl bromide in pesticides are ‘integrated commodity management’ and fumigation, which uses phosphine and carbon dioxide to kill the pests.
- The inorganic compound phosphine is very similar to ammonia in its substitution reactions.
- Since the explosion yesterday morning, which jammed a main cargo door shut, gases including hydrogen, phosphine and arsine, a derivative of arsenic, have started venting from the cargo hold.
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