单词 | substramen |
释义 | substramenn. Geology. Now historical and rare. The groundmass or matrix of a concretionary rock.Quot. 1847 represents an isolated extended use. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > [noun] > subsoil sole1683 undersoil1707 substratum1730 under-earth1765 subsoil1774 subsurface1775 substramen1797 underground1812 1797 J. Walker Epitome Nat. Hist. (MS lect. notes by D. Pollock) VI. 61 By this Table it appears, that the Saxa, are divided into three Parts. The Substramen, or the Ground. The Gluten, or the Cement. The Concretiones, or the Charge. 1798 R. Jameson Outl. Mineral. Shetland Islands ii. 15 The substramen or basis [of the breccia] is hardly discernible, excepting when the masses are large, when a paste is formed by the smaller fragments. 1807 J. Headrick View Mineral. Arran 56 Some contained various concretions, inserted in a sandy substramen. 1847 Rep. 16th Meeting Brit. Assoc. Advancem. Sci. 1846 216 The substramen of their ossification, like that of the exoccipitals, mastoids and post-frontals, is a cartilaginous mass. 2004 Brit. Jrnl. Hist. Sci. 37 391 Saxa Stone, he [sc. Walker] suggested, was composed of three distinguishable ‘Parts’: substramen (or Ground), gluten (or Cement) and concretions (or Charge). This entry has been updated (OED Third Edition, June 2012; most recently modified version published online March 2022). < n.1797 |
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