the.com/solution

a problem that hasn't introduced you to its three smaller children yet.

means the answer or method that resolves a problem, or a liquid in which something is dissolved.

from From Latin solutio, from solvere 'to loosen, untie, set free' (the same verb behind 'solve' and 'dissolve'). The two modern senses share one image: something bound up that comes undone — a knotty problem loosened into an answer, or a solid loosened apart into liquid. It reached English through Old French in the late Middle Ages.

chemistry
a solution needs both a solvent and a dissolved guest
latin root
comes from solvere, meaning to loosen or untie
saturation
every liquid solution has a point of stubborn refusal
math sense
some equations proudly own zero solutions
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