soluble means “soluble” | MotiTan Spanish Dictionary

More examples

El café instantáneo es soluble en agua caliente.

Instant coffee is soluble in hot water.

A crystal dissolving uniformly in water.

disoluble: Dissolves into a solvent and disperses uniformly throughout the liquid as the solute.
hidrosoluble: Dissolves readily in water.

Que puede disolverse en un disolvente; capaz de mezclarse homogéneamente con un líquido.

From Latin solubilis, from solvere 'to loosen or dissolve' plus suffix -bilis, originally meaning 'able to be dissolved'.

Used for physical dissolving but also used figuratively to mean 'solvable' (for example, un problema soluble), so rely on context to tell the sense.