Definition of phosfon in English:

phosfon

(also phosphon)

noun

  • An organophosphorus compound used as a growth retardant for plants; 2,4-dichlorobenzyltributylphosphonium chloride, C₁₉H₃₂Cl₃P.

Origin

1960s; earliest use found in The Official Gazette. Probably shortened from phosphonium, with change of -ph- to -f- in the spelling.

Pronunciation

phosfon

/ˈfɒsfɒn/