blowtorch

Meanings

1. 1
   noun

   a portable burner that produces a very hot, concentrated flame by mixing fuel gas with air or oxygen

   The plumber heated the copper joint with a blowtorch before applying the solder.

2. 2
   verb

   to heat, burn, or remove something with a blowtorch

   The restorers blowtorched the old paint from the iron railing.

Formed from blow + torch. Early blowtorches used a stream of pressurized air to intensify a fuel flame; the name remained as designs changed.

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