Definition of propham in US English:

propham

noun

  • A selective herbicide and plant growth inhibitor used especially to control weeds among crops and to retard the sprouting of stored potatoes.

Origin

1950s. From pro- + ph- + -am-, after isopropyl N-phenylcarbamate, former chemical name of the substance.

Pronunciation

propham

/ˈprəʊfam/