Century Dictionary and Cyclopedia
- n tymp In the blast-furnace, the crown of the opening in front of the hearth, a little below and in front of which is the dam-stone. The tymp is sometimes a masonry arch (the tymp-arch), sometimes a block of refractory stone (the tymp-stone), and sometimes a hollow box or block of iron (the tymp-plate) through which water is kept constantly circulating, so as to protect it from the heat and the corrosive action of the slag.
- n tymp In coal-mining, a cap or lid; a short piece of timber placed horizontally for supporting the roof.
- n tymp An abbreviation of tympano or tympani.
Chambers's Twentieth Century Dictionary
- n Tymp timp the crown of the opening in front of the hearth in a blast-furnace.