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单词 oversaturate
释义

oversaturatev.

Brit. /ˌəʊvəˈsatʃᵿreɪt/, /ˌəʊvəˈsatjᵿreɪt/, U.S. /ˌoʊvərˈsætʃəˌreɪt/
Origin: Formed within English, by derivation. Etymons: over- prefix, saturate v.
Etymology: < over- prefix + saturate v.
transitive. To saturate excessively; to provide with more than sufficient of a substance for saturation. Also intransitive: to become oversaturated.
ΚΠ
1745 Gentleman's Mag. June 309/2 Common laurel, the deadly quality of which proceeds from its being over-saturated with an heavy oil.
1846 Philos. Trans. (Royal Soc.) 136 137 A liquid which, being over-saturated with sulphuric acid and heated, causes a brownish coloration round a crystal of sulphate of iron.
1869 N. Amer. Rev. in E. Kellogg Charlie Bell (end matter) (advt.) To those oversaturated with transatlantic traditions, we recommend a course of ‘Little Prudy’.
1872 G. R. Cutter tr. H. Frey Microscope & Microsc. Technol. xii. 263 The reduction of an albuminous matter..may be induced in the epithelial cells of the preparation, by over-saturating the fluid with acetic acid.
1907 in C. von Noorden et al. Metabolism & Pract. Med. II. i. 23 The HCl..is not secreted in such quantity as to oversaturate the food taken, as it is in health.
1976 Operations Res. 24 404 For large λ the system oversaturates, and there is no equilibrium point.
1993 R. F. Gorman Refugee Aid & Devel. 158 The WFP, in its emergency food programs, makes every effort to..avoid oversaturating local markets with cheap imported food.
This is a new entry (OED Third Edition, December 2004; most recently modified version published online March 2022).
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