Dictionary entry

Stratigraphic

Webster's Dictionary 1913

{ Strat′i‐graph″ic (?), Strat′i‐graph″ic‐al (?), } a.(Geol.) Pertaining to, or depended upon, the order or arrangement of strata; as, stratigraphical evidence. — Strat′i‐graph″ic‐al‐ly, adv.