stillhead

English

Noun

stillhead (plural stillheads)

1. The head of a distillation still.
   • 1895, Charles Edward Groves, William Thorp, William Joseph Dibdin, Chemical Technology: Lighting, by W. Y. Dent [and others, page 208:

     The upper end of the coil D communicates by a pipe with the stillhead C2, and its lower end opens into a hollow column D3, which is provided with a glass gauge D3, and has at the bottom an outlet pipe […]

   • 1914, American Chemical Society, Journal of the American Chemical Society, page 2481:

     […] vapor is partially condensed in a stillhead maintained at a constant temperature, the residual vapor escaping from the stillhead has a […]

   • 2015 January 1, John C. Gilbert, Stephen F. Martin, Experimental Organic Chemistry: A Miniscale & Microscale Approach, Cengage Learning, →ISBN, page 56:

     Alternatively, a thermometer can be inserted through the condenser attached to the stillhead so the thermometer bulb is in the lower neck of the stillhead.