sludgingn.
/ˈslʌdʒɪŋ/ 1. The action of filling up crevices in dried clay by means of free-flowing mud; also, the mud so used.
ΘΚΠ
society > occupation and work > industry > building or constructing > surfacing or cladding > [noun] > filling gaps
stopping1487
filleting1598
luting1608
lutation1611
beamfilling1734
grouting1793
sludging1852
stopping up1912
spackling1940
society > occupation and work > industry > building or constructing > building or constructing with other materials > [noun] > with clay or earth > specific
sludging1852
1852 J. Wiggins Pract. Embanking Lands 19 As these spits contract in drying, the crevices outside are therefore filled with mud, which is called ‘sludging’.
a1877 E. H. Knight Pract. Dict. Mech. III. 2217/1 Sludging, stopping the crevices incident to the contraction of clay piled in embankments, by mud sufficiently fluid to run freely.
1940 Chambers's Techn. Dict. 342/1 The crevices left when the clay has dried out are filled with sludging.
2. The formation or deposition of sludge, esp. in oil.
ΘΚΠ
the world > matter > constitution of matter > semi-fluidity > [noun] > a semi-fluid substance or mass > specific > formation of
creaming1903
sludging1922
1922 R. Glazebrook Dict. Appl. Physics II. 928/1 Various schemes and devices are used to prevent sludging, such as..by using a float on the oil surface.
1931 Hoffert & Claxton Motor Benzole vi. 143 The difference in the solubilities of the resinous substances in different types of wash oils, also accounts for the sludging that usually occurs when such oils are mixed.
1969 Practical Motorist Jan. 557/1 Most modern engine oils incorporate additives which are designed to reduce sludging.
1973 Times 1 June 11/5 No black sludge will be able to form in your central heating system. How horrid. I never knew sludging was going on behind those pipes.
3. = solifluction n.
ΘΚΠ
the world > the earth > structure of the earth > formation of features > movement of material > [noun] > movement under gravity or water
land-rushc1550
slide1664
landslip1679
pitting1686
rockfall?1797
shoot1820
landslide1822
run1827
mountain slide1830
slip1838
slough1838
mudslide1848
founder1882
creep1889
soil-creep1897
rock creep1902
slump1905
solifluction1906
slumping1907
slopewash1938
sludging1946
mass wasting1951
1946 K. Bryan in Amer. Jrnl. Sci. 244 626 The down-slope movement of the fine-grained components is presumed to be largely a flow as mud and is called by English writers ‘sludging’.
1959 G. H. Dury Face of Earth xv. 177 Widespread sludging is mainly responsible for the featureless aspect of many Arctic landscapes.
1964 New Scientist 8 Oct. 105/3 He also showed..that the much-discussed movement by freeze-thaw sludging (solifluction) is quantitatively of very little significance [in a Lappland valley].
1975 J. G. Evans Environment Early Man Brit. Isles i. 7 The Upper Gravel..was most likely formed by downhill sludging under conditions of impeded drainage.
4. Medicine. The aggregation of blood cells into jelly-like masses in such a way as to impede circulation.
ΘΚΠ
the world > health and disease > ill health > a disease > disorders of internal organs > disorders of blood > [noun] > coagulated blood > clotting > excessive clotting or viscosity
collaemia1900
hypercoagulability1934
sludging1950
1950 Amer. Jrnl. Med. Sci. 219 538/2 We have..found a close correlation between the blood sedimentation rate and the degree of sludging in the capillaries.
1976 Path. Ann. 11 3 This hemorrhage is sustained for up to 24 hours until the deeper intact capillaries adopt a ballooned appearance due to stasis and sludging of red cells.
This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).
<
n.1852