electrodynamicsWiktionary 原文构词拆分electro-前缀Combining form of electricity. · Combining form of electric and electrical.+dynamics词根/词干词源说明From electro- + dynamics.释义（英文）名词 Noun(physics) The phenomena associated with moving electric charges, and their interaction with electric and magnetic fields; the study of these phenomena.词族派生词（2）pyroelectrodynamicsquantum electrodynamics