Definition of after-blow in English:

after-blow

noun

Metallurgy
  • Especially in the basic Bessemer process: continuation of the blow for a short time after decarburization is complete, in order to dephosphorize the steel.

Origin

Late 19th century. From after- + blow.

Pronunciation:

after-blow

/ˈaftəbləʊ//ˈɑːftəbləʊ/