blowpipe(redirected from blow tube)
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1. a tube for blowing air or oxygen into a flame to intensify its heat and direct it onto a small area
2. a long narrow iron pipe used to gather molten glass and blow it into shape
A small tube, tapering to a straight or slightly curved tip, used in anatomy and zoology to reveal or clean a cavity.
A long, straight tube, used in glass blowing, on which molten glass is gathered and worked.
A small, tapered, and frequently curved tube that leads a jet, usually of air, into a flame to concentrate and direct it; used in flame tests in analytical chemistry and in brazing and soldering of fine work.