1. a theory

    理論的(に) theoretical(ly)

    • 理論をたてる
    • theorize/frame a theory
    • 理論の上では
    • theoretically/in theory
    • 理論と実践は必ずしも一致しない
    • Theory and practice do not always coincide [go together].
  1. 理論家a theorist
  1. 理論体系a body of theory
  1. 理論闘争a theoretical dispute; an ideological dispute
  1. 理論物理学theoretical physics