a substance insoluble in water the seemingly insoluble mystery concerning the identity of the people who built these ancient structures
Recent Examples on the WebBut TiO2 is insoluble in water – meaning that it cannot be dissolved into smaller particles. Dr. Michael Daignault, USA TODAY, 12 Aug. 2022 Kidney beans also provide insoluble fibers called alpha-galactosides, whose side effects are the inspiration for that old childhood rhyme about beans. Cate Geiger Kalus, Country Living, 8 Aug. 2022 Caladiums contain insoluble calcium oxalates, which are toxic if consumed. Terri Robertson, Country Living, 1 Aug. 2022 Today, once again, Northern Ireland is back in crisis, stuck with an insoluble constitutional dilemma caused by Brexit in which everyone claims the Good Friday Agreement as proof of the righteousness of their side. Tom Mctague, The Atlantic, 26 July 2022 Since 1988, when the late King Hussein of Jordan renounced his country’s sovereignty claims in favor of the Palestine Liberation Organization (PLO), the West Bank has presented Jordan with an insoluble conundrum. Shlomo Ben-ami, WSJ, 9 June 2022 The bulk provided by insoluble fiber and water-holding properties of soluble fiber can also enhance feelings of fullness. Marygrace Taylor, SELF, 30 Apr. 2022 Enter uranium oxide, an insoluble and thermally stable source of uranium that doesn’t conduct electricity. Courtney Linder, Popular Mechanics, 16 May 2022 But a full-scale peace agreement will be difficult to negotiate, in part because of those insoluble territorial disputes, Vershbow warned. Doyle Mcmanuswashington Columnist, Los Angeles Times, 27 Mar. 2022 See More
Word History
Etymology
Middle English insolible, from Latin insolubilis, from in- + solvere to free, dissolve — more at solve
1 (especially BrE) (NAmE usuallyinsolvable) that cannot be solved/explained無法解決;無法解釋VERBS | ADVERBVERBS➤be, seem無法解決;似乎難以解釋◇The problem seemed insoluble.問題似乎難以解決。➤remain依然難以解決ADVERB➤almost幾乎無法解決▸➤apparently, seemingly看似無法解決insoluble
adjective²
2impossible to dissolve in a liquid不能溶解VERBS | ADVERB | PREPOSITIONVERBS➤be不能溶解ADVERB➤highly極不易溶解➤relatively比較難溶解▸➤almost, practically, virtually幾乎不能溶解PREPOSITION➤in不溶於⋯中◇These chemicals are practically insoluble in water.這些化學物質幾乎不溶於水。