What does the word soluble mean?

Usage examples for soluble

  1. Many of the traditional problems of philosophy, perhaps most of those which have interested a wider circle than that of technical students, do not appear to be soluble by scientific methods. – Our Knowledge of the External World as a Field for Scientific Method in Philosophy by Bertrand Russell
  2. If it is at all bulky, it remains in the upper part of the cavity, the gland- cells pouring out a digestive fluid upon it and so dissolving out soluble substances. – Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale
  3. It is very slightly soluble in water. – The Black Star Passes by John W Campbell