altı
toprakaltı
(Turkish - English dictionary) :
,-nı 1. subsoil, substratum, underground. 2. underground, situated underground.
yeraltı
(Turkish - English dictionary) :
,-nı 1. area beneath the surface of the ground, underground. 2. subterranean, underground; subsurface. 3. clandestine, underground: yeraltı direniş hareketi underground resistance movement. geçidi 1. underground passageway, subway (especially one for pedestrians). 2. mining gallery. madenciliği underground mining. suyu groundwater, subterranean water, subsurface water, underground water. suyu düzeyi water table, water level, groundwater level.
yoğaltılmak
(Turkish - English dictionary) :
to be consumed, be used up.
yoğaltım
(Turkish - English dictionary) :
consumption.