a hole in a furnace for running off molten metal or slag
taphole in American English
(ˈtæpˌhoul)
noun
Metallurgy
a hole in a blast furnace, steelmaking furnace, etc., through which molten metal or slag is tapped off
Word origin
[1585–95; tap2 + hole]This word is first recorded in the period 1585–95. Other words that entered Englishat around the same time include: competence, filament, parallax, scuff, sine
Examples of 'taphole' in a sentence
taphole
In this work, a number of tests are presented in order to evaluate the performance of taphole mixes.
A. S. Ribeiro, G. F. B. Lenz e Silva, H. C. Bassalo, P. Bonadia Neto, V. C. Pandolfelli 2013, 'Técnicas de caracterização para o desenvolvimento de massas de tamponamento para altos-fornosCharacterization techniques for the development of blast furnace tap hole mixes',Cerâmicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0366-69132013000100006. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)