| stratigraphy | ๑. วิชาลำดับชั้นหิน๒. การลำดับชั้นหิน๓. ลำดับชั้นหิน [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
| stratigraphy | (n) the branch of geology that studies the arrangement and succession of strata |
| Stratigraphy | n. [ Stratum + -graphy. ] That branch of geology which treats of the arrangement and succession of strata. [ 1913 Webster ] |