单词 | oversaturation |
释义 | oversaturationn. The property or condition of being oversaturated. Also (occasionally): the action or process of saturating a substance to excess. ΘΚΠ the world > the earth > minerals > mineral structure or appearance > [noun] > oversaturation oversaturation1835 the world > the earth > structure of the earth > constituent materials > rock > mineral or chemical composition > [noun] > oversaturation or undersaturation oversaturation1835 undersaturation1913 1835 G. Hutchinson Treat. Causes & Princ. Meteorol. Phenomena iii. 68 Whenever their height is such, that the temperature of the lower atmospheric strata, while surmounting them, becomes so much reduced as to cause oversaturation, the formation of clouds must take place. 1848 Debow's Rev. Dec. 410 The syrup..is presumed to be placed in a condition best suited to assist the crystallization of that portion of it which, from over saturation, has a tendency to separate in a solid form. 1865 B. Silliman Princ. Physics (ed. 2) iii. 609 Electro-magnets..are capable of over-saturation by an excess of battery power. 1873 F. Hoffmann Man. Chem. Anal. 69 The solution is examined in two portions, the one by over-saturation with ammonium hydrate, the other by addition of..diluted sulphuric acid. 1947 E. E. Wahlstrom Igneous Minerals & Rocks ix. 253 Free silica, which indicates oversaturation, is not present in rocks containing undersaturated minerals such as leucite and nephelite. 1992 Raritan Summer 119 There is nothing in Richard B. Sewall's exemplary biography to support my hypothesis of the spiritual oversaturation of Dickinson's adulthood. This entry has been updated (OED Third Edition, December 2004; most recently modified version published online March 2022). < n.1835 |
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