septariateadj.
/sɛpˈtɛːrɪət/, /sɛpˈtɛːrɪeɪt/, U.S. /sɛpˈtɛriət/, /sɛpˈtɛriˌeɪt/ Geology. rare.
Of the nature of a septarium; consisting of septaria; = septarian adj.
ΘΚΠ
the world > the earth > structure of the earth > constituent materials > stone > a stone > [adjective] > concretionary or modular > septarium
septarian1829
septariate1829
septariiform1867
1829 Trans. Geol. Soc. 3 14 Hard nodules, often septariate and containing calcareous spar, lie in the planes of slate at the lower quarry.
1969 J. F. Mello U.S. Geol. Surv. Professional Paper No. 611. 6/2 Larger, ovoid to spherical blue-gray limestone concretions..have been found at many levels... They may be septariate, and in many the cracks are filled with yellow calcite crystals.
This entry has been updated (OED Third Edition, September 2020; most recently modified version published online March 2022).
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adj.1829