S0797600 (strə-tĭg′rə-fē)n. The study of rock strata, especially the distribution, deposition, and age of sedimentary rocks.strat′i·graph′ic(străt′ĭ-grăf′ĭk), strat′i·graph′i·cal(-ĭ-kəl) adj.strat′i·graph′i·cal·ly adv.TranslationsstratigraphiqueEncyclopediaSeestratigraphy