解かい

noun

solution; root

Mathematical term: the value(s) that satisfy an equation or inequality. 解 is used for solutions of equations, while 根 is more common for roots of polynomials.

• この方ほう程てい式しきの解かいを求もとめなさい。

  Find the solution to this equation.

noun

solution; answer

General term for the answer or resolution to a problem, puzzle, or question. Often used in contexts like 問題の解 (solution to a problem).

• その問もん題だいの解かいはまだ見みつかっていない。

  The solution to that problem has not been found yet.

noun

explanation; interpretation

Refers to an explanatory account or interpretation, often of a text, concept, or situation. Less common than 説明 in everyday speech; more formal or academic.

• この語ごの解かいを辞じ書しょで調しらべた。

  I looked up the explanation of this word in the dictionary.