Foucault pendulum
زبان مبدأ: انگلیسی
ترجمه به فارسی
- واژهنامه · Merriam-Webster Collegiate Dictionary Fou·cault pendulum Pronunciation: ˌ fü- ' kō- Function: noun Etymology: J.B.L. Foucault Date: 1931 : a freely swinging pendulum that consists of a heavy weight hung by a long wire and that swings in a constant direction which appears to change showing that the earth rotates]]>