noun
superstring theory
Technical term in theoretical physics. Used in academic and popular science contexts.
超弦理論は、素粒子を一次元の弦として扱う理論です。
Superstring theory is a theory that treats elementary particles as one-dimensional strings.
Compound of 超 (super) + 弦 (string) + 理論 (theory), a direct translation of the English term 'superstring theory'.