The process by which starch granules absorb water and swell upon heating, leading to the thickening of a liquid.
The gelatinization of the starch in the sauce gave it a smooth and thick consistency.
The act or process of converting a substance into a gelatinous or jelly-like state, or of becoming gelatinous, typically through heating, hydration, or chemical treatment.
Rapid gelatinization of the polymer occurs when it is heated above 70 °C.