toかすkasutoかすkasutoかすkasu
1.

To convert a solid substance into a liquid state by applying heat, effectively transforming its physical form for purposes such as cooking or manufacturing.

2.

To immerse a solid material in a liquid to cause it to blend or dissolve, thereby resulting in a usable mixture or solution.

3.

To modify the consistency of a substance by mixing it with a liquid, making it easier to handle or apply in various contexts, such as in art or construction.

Example:

砂糖をお湯で溶かしなさい。