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oxyacetylene torch

[ŏk′sē-ə-sĕt′l-ĭn, -ēn′]
  1. A gas torch that burns a mixture of acetylene and oxygen to produce a high-temperature flame (3,000°C or 5,400°F) that can weld or cut metal.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.