understratum
n. அடிப்படுகை, கீழடை.
Un"der*stra`tum, n.; pl. L. Understrata (, E. Understratums (. Defn: The layer, or stratum, of earth on which the mold, or soil, rests; subsoil.
n. அடிப்படுகை, கீழடை.
Un"der*stra`tum, n.; pl. L. Understrata (, E. Understratums (. Defn: The layer, or stratum, of earth on which the mold, or soil, rests; subsoil.