transcription, транскрипция: [ ɪnsɒljʊb(ə)l ]
1.
An insoluble problem is so difficult that it is impossible to solve.
I pushed the problem aside; at present it was insoluble...
ADJ
2.
If a substance is insoluble , it does not dissolve in a liquid.
Carotenes are insoluble in water and soluble in oils and fats.
≠ soluble
ADJ