sedimentary

From sediment +‎ -ary.

• IPA^(key): /ˌsɛd.əˈmɛn.tə.ɹi/, /ˌsɛd.əˈmɛn.tɹi/

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sedimentary (not comparable)

1. (geology, of a rock) Made by the deposition and compression of small particles.
   • 2012, Chinle Miller, In Mesozoic Lands: The Mesozoic Geology of Arches and Canyonlands National Parks, Kindle edition:

     It's a geological wonderland, with great exposures of colorful and varied sedimentary rocks.

• igneous, metamorphic

sedimentary (plural sedimentaries)

1. A rock of this kind.
   • 2015 September 3, “Earliest Pottery on New Guinea Mainland Reveals Austronesian Influences in Highland Environments 3000 Years Ago”, in PLOS ONE‎, →DOI:

     The absence of sedimentaries and metasedimentaries in W52 suggest it is not from the Sepik north coast, which is defined by heterogeneous lithic inclusions derived from the Torricelli Mountains.