Definition that contains atum
- bed a stratum of ore or coal thick enough to be mined with profit
- bed (geology) a stratum of rock (especially sedimentary rock)
- reading a datum about some physical state that is presented to a user by a meter or similar instrument
- fold a geological process that causes a bend in a stratum of rock
- horizon a specific layer or stratum of soil or subsoil in a vertical cross section of land
- indication a datum about some physical state that is presented to a user by a meter or similar instrument
- folding a geological process that causes a bend in a stratum of rock
- seam a stratum of ore or coal thick enough to be mined with profit
- statistic a datum that can be represented numerically
- superposition (geology) the principle that in a series of stratified sedimentary rocks the lowest stratum is the oldest