WordReference Random House Unabridged Dictionary of American English © 2025
stra•tig•ra•phy
(strə tig′rə fē),USA pronunciation n.
stra•tig′ra•pher, stra•tig′ra•phist, n.
strat•i•graph•ic
(strat′i graf′ik),USA pronunciation strat′i•graph′i•cal, adj.
strat′i•graph′i•cal•ly, adv.
- Geologya branch of geology dealing with the classification, nomenclature, correlation, and interpretation of stratified rocks.
- 1860–65; strati- + -graphy
'stratigraphic' also found in these entries (note: many are not synonyms or translations):
basal conglomerate
- correlation
- cryptozoic
- formation
- horizon
- lithology
- member
- stratigraphy
- type section
- unconformable