Definition of "stratigraphic" [strat•i•graph•ic]

• Of or pertaining to the arrangement of stratigraphy or strata (adjective)

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• "The problem is that we only have direct measurement data from the late 19th century forward; prior to that, the data is inferential, deduced from ice cores, tree rings, sedimentation, and other techniques, which are largely stratigraphic, and which do not render precise thermography data."
• "There are scientists actively trying to persuade their peers that this isn't just an esoteric notion, the stuff of environmental conferences, but a stratigraphic fact, a real geological divider every bit as real as the Permian-Triassic boundary or anything else in the record."
• "There are scientists actively trying to persuade their peers that the Anthropocene is a stratigraphic fact, as real as the Permian-Triassic boundary."