pisoliticadj.
/pʌɪsə(ʊ)ˈlɪtɪk/, /pɪzə(ʊ)ˈlɪtɪk/, U.S. /ˌpaɪsəˈlɪdɪk/, /ˌpɪzəˈlɪdɪk/ Geology.
Of the nature of, consisting of, or resembling pisolite.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > rock > sedimentary rock > [adjective] > calcareous > pisolite
pisolitic1824
pisolithic1860
1824 Trans. Geol. Soc. 1 420 A greenish sand filled..with yellow pisolitic concretions.
1863 J. H. Speke Jrnl. Discov. Source Nile 31 Pisolitic limestone, in which marine fossils were observable.
1914 Bull. Geol. Soc. Amer. 25 77 The concretions take several different forms. Some of those from a well 1,350 feet deep, at Saratoga, are pisolitic, as they consist of concentric spheres and are from 3 to 5 mm. in diameter.
1959 Econ. Geol. 54 961 Pisolitic bauxites show a combination of two structural elements.
2001 Rev. (Rio Tinto plc) Sept. 4 Global demand for the pisolitic goethite-hematite type (pisolites) of ore is steadily increasing.
This entry has been updated (OED Third Edition, June 2006; most recently modified version published online March 2022).
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adj.1824