septarianadj.
/sɛpˈtɛːrɪən/, U.S. /sɛpˈtɛriən/ Geology.
Of the nature of a septarium (septarium n.); consisting of septaria; characteristic of septaria.
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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 26 Below these fossil beds follows a succession of white sandstones of rather a foliaceous structure,..with a subordinate bed of red iron-stone in a septarian form.
1882 A. Geikie Text-bk. Geol. iv. i. 488 Such septarian nodules..are abundant in many shales.
1991 R. Goldring Fossils in Field iv. 88 Septarian concretions can often be disappointing because of extensional cracking.
This entry has been updated (OED Third Edition, September 2020; most recently modified version published online March 2022).
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adj.1829- to hold with
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- to hold, rarely have, tack with to