不ふ確かく定てい性せい原げん理りふかくていせいげんりMeanings1noununcertainty principlephysicsPhysics term referring to Heisenberg's uncertainty principle.不ふ確かく定てい性せい原げん理りは量りょう子し力りき学がくの基き本ほん的てきな概がい念ねんです。The uncertainty principle is a fundamental concept in quantum mechanics.