تلفظ بین المللی : /ˌʌndəlˈeɪə/ تلفظ : [,Vnd3l'eI3]
English
One who, or that which, underlays or is underlaid; a
lower layer.
A perpendicular shaft sunk to cut the lode at any
required depth.
A cake of compressed substance, as: in gunpowder manufacture, the cake resulting from compressing the meal powder; in the treatment of coal tar, the pressed product at various stages of the process; or, in beet-sugar manufacture, the vegetable residu...
