oleophobicadj.
/ˌəʊlɪəʊˈfəʊbɪk/, U.S. /ˈˌoʊlioʊˈfoʊbɪk/ Tending to repel, or not to absorb, oils or oily materials.
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oleophobic1938
1938 Science 3 June 494 Films produced in this way are remarkable in that they are both hydrophobic and oleophobic.
1946 Jrnl. Colloid Sci. 1 513 The observed phenomenon was due to the adsorption of eicosyl alcohol from solution upon the interior walls of the flask, to form a film possessing the property of being oleophobic to (unwetted by) the oil solution.
1967 E. Chambers Photolitho-offset xiv. 210 Others were unsuitable because of extreme low sensitivity to light, or the inherent oleophobic (ink rejecting) character of the tanned coatings.
1996 Science 19 Apr. 429/2 Applications include lateral and flow-through diagnostic assays, hydrophophic and oleophobic venting,..and protein immobilization.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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adj.1938