单词 | cryostatic |
释义 | cryostaticadj. 1. Chiefly Physics and Biology. Of the nature of a cryostat; relating to the use of a cryostat. ΚΠ 1922 Sci. Abstr. A. 25 341 The measurements have been made with a cryostatic apparatus. 1930 Jrnl. Sci. Instruments 7 17 The principle of using a cryostatic liquid such as pentane, which is cooled continuously by liquid air, has been applied to a number of low-temperature baths. 1971 Methods in Microbiol. 4 105 The fully cryostatic microtome, in which the object is first frozen to the stage in a jet of CO2. 1992 S. Winegrad in R. B. Simmons Muscular Contraction 114 These measurements can be made in cryostatic sections of the frozen hearts. 1994 New Scientist 13 Aug. 23/3 The polymers demonstrate their extraordinary abilities only in cryostatic coolers at temperatures near absolute zero. 1999 M. McArtthur Time Future 56 The cryostatic medium protected them from the worst of the rays. 2. Geomorphology and Soil Science. Designating the increased hydrostatic pressure of unfrozen groundwater confined between layers of frozen material (usually a permafrost layer and the frozen ground surface); relating to or caused by this phenomenon. ΚΠ 1950 A. L. Washburn in Revue Canadienne de Géographie 4 iii. 34 Progressive freezing from the surface downward to the permafrost table sets up a large hydrostatic pressure in the unfrozen material that is confined between these surfaces... Because of analogy with a hydrostatic press and because freezing is the initiating factor, the writer suggests that this concept be termed the cryostatic hypothesis. 1966 Jrnl. Ecol. 54 257 As the top freezes down to the permafrost, the basal parts of the bare area are subject to cryostatic pressure from the top and from the sides. 1994 J. Menzies in H. J. Gayler Niagara's Changing Landscapes iii. 67 An origin for the breccia has been suggested, associated with cryostatic stresses. This entry has been updated (OED Third Edition, June 2011; most recently modified version published online March 2022). < adj.1922 |
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