Etymology From Middle English insolible, from Middle French insoluble, from Latin insolūbilis, from in- + solūbilis. Piecewise doublet of insolvable and unsolvable. By surface analysis, in- + soluble.
1
Chemistry, Natural sciences, Physical sciencesPhysical That cannot be dissolved.
Petroleum is largely insoluble in water.
2
That cannot be solved.
The reason Fisher concluded that the problem is likely insoluble is that the ability of real-world agents to act on new perceived opportunities of arbitrage – including those that turn out to be incorrect – makes stability impossible to demonstrate without additional strong (and unrealistic) assumptions.2024, Jeremy B. Rudd, A Practical Guide to Macroeconomics, page 3:
3
That cannot be explained.
Near-synonyms: unexplained, mysterious; see also Thesaurus:incomprehensible, Thesaurus:mysterious
Etymology From Middle English insolible, from Middle French insoluble, from Latin insolūbilis, from in- + solūbilis. Piecewise doublet of insolvable and unsolvable. By surface analysis, in- + soluble.
1
Any substance that cannot be dissolved.
As there is a partial vacuum inside the drum, the liquid is sucked inside the drum and the insolubles are deposited on the outer surface of the membrane filter.2006, Ashok Pandey, Enzyme Technology, page 518: