† dropstonen.

Etymology: < drop n. + stone n.

Obsolete.

An old popular name for stalactites and stalagmites, formed by the dropping of water.

ΘΚΠ

the world > the earth > structure of the earth > structural features > rock formations > [noun] > stiria > stalagmite or stalactite

round dropstone1668

stalactite1677

stalactites1681

stalagmite1681

water pipe1681

dropstone1695

icicle1695

watericle1776

stalagmite1815

frostwork1835

tallow1876

helictite1882

stalagma1903

1695 J. Woodward Ess. Nat. Hist. Earth 191 The common Stalactites, Lapis Stillatitius, or Drop-stone..hanging down from the tops and sides of Grotto's.

1708 Philos. Trans. (Royal Soc.) 26 79 Stalagmites. The Drop-stone.

1762 P. Murdoch tr. A. F. Büsching New Syst. Geogr. V. 211 A spacious and very humid cavern, with a variety of figures in it in dropstone.

Draft additions December 2012

Geology. A rock or stone which fell to the sea floor, typically after being carried by an iceberg, and is now preserved in a sedimentary deposit. Cf. iceberg droppings n. at iceberg n. Compounds.

ΚΠ

1967 Geol. Soc. Amer. Bull. 78 788/2 Fine-grained, quiet-water, clastic rocks containing ice-rafted dropstones, some of the larger ones faceted and striated, are common in the glacial sections.

1981 J. Kemp & C. M. Young in M. J. Hambrey & W. B. Harland Earth's Pre-Pleistocene Glacial Rec. 346 Sparse small dropstones are interpreted to be of volcanic origin, rather than formed by ice-rafting.

2005 A. J. Wheeler et al. in A. Freiwald & J. M. Roberts Cold-water Corals & Ecosystems 592 Areas between dropstones are filled with carbonate-rich sediment probably composed of broken shells and coral rubble.

This entry has not yet been fully updated (first published 1897; most recently modified version published online June 2019).

单词	dropstone
释义	† dropstonen. Etymology: < drop n. + stone n. Obsolete. An old popular name for stalactites and stalagmites, formed by the dropping of water. ΘΚΠ the world > the earth > structure of the earth > structural features > rock formations > [noun] > stiria > stalagmite or stalactite round dropstone1668 stalactite1677 stalactites1681 stalagmite1681 water pipe1681 dropstone1695 icicle1695 watericle1776 stalagmite1815 frostwork1835 tallow1876 helictite1882 stalagma1903 1695 J. Woodward Ess. Nat. Hist. Earth 191 The common Stalactites, Lapis Stillatitius, or Drop-stone..hanging down from the tops and sides of Grotto's. 1708 Philos. Trans. (Royal Soc.) 26 79 Stalagmites. The Drop-stone. 1762 P. Murdoch tr. A. F. Büsching New Syst. Geogr. V. 211 A spacious and very humid cavern, with a variety of figures in it in dropstone. Draft additions December 2012 Geology. A rock or stone which fell to the sea floor, typically after being carried by an iceberg, and is now preserved in a sedimentary deposit. Cf. iceberg droppings n. at iceberg n. Compounds. ΚΠ 1967 Geol. Soc. Amer. Bull. 78 788/2 Fine-grained, quiet-water, clastic rocks containing ice-rafted dropstones, some of the larger ones faceted and striated, are common in the glacial sections. 1981 J. Kemp & C. M. Young in M. J. Hambrey & W. B. Harland Earth's Pre-Pleistocene Glacial Rec. 346 Sparse small dropstones are interpreted to be of volcanic origin, rather than formed by ice-rafting. 2005 A. J. Wheeler et al. in A. Freiwald & J. M. Roberts Cold-water Corals & Ecosystems 592 Areas between dropstones are filled with carbonate-rich sediment probably composed of broken shells and coral rubble. This entry has not yet been fully updated (first published 1897; most recently modified version published online June 2019). < n.1695
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