相そう補ほ性せい

noun

complementarity; complementation

Technical term used in physics, philosophy, and linguistics to describe a relationship where two aspects are mutually exclusive yet jointly necessary. In physics, it often refers to wave-particle duality.

• 量りょう子し力りき学がくでは、粒りゅう子しと波は動どうの相そう補ほ性せいが重じゅう要ような概がい念ねんだ。

  In quantum mechanics, the complementarity of particles and waves is an important concept.

• この理り論ろんは、二ふたつの視し点てんの相そう補ほ性せいを強きょう調ちょうしている。

  This theory emphasizes the complementarity of the two perspectives.