Dissolve
To dissolve is to mix a solid and liquid together until there are no solid particles remaining; this may require heat.
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Fun related videos
Egg Shell Science Experiment - Dissolves in Vinegar

Which dissolve chocolate better - Hot or Cold water?

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Dissolving of Yeast
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Egg Shell Science Experiment - Dissolves in Vinegar
Source: DaveHax
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Which dissolve chocolate better - Hot or Cold water?
Source: Erica Folk
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How to dissolve Gelatin
Source: Kelly Bejelly
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How to dissolve starch in water
Source: Jason Lye
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Dissolving of Yeast
Source: Saveezy