Following Constantine's conversion, Alexandre Christoyannopoulos recounts that Christian pacifism and anarchism were submerged for nearly a millennium until the emergence of thinkers such as Francis of Assisi and Petr ChelÄickÃ½.
noun. verb. The definition of a plume is a feather or a group of feathers, or a cloud of material spreading from its source. 1  A large, full feather from an ostrich that you wear in your hat is an example of a plume.
1 Plume (hydrodynamics) , the form of effluent in water or emissions in air. 2  Eruption column, or volcanic plume, a column of volcanic ash and gas emitted into the atmosphere during an eruption. 3  Mantle plume, an upwelling of hot rock within the Earth's mantle that can cause volcanic hotspots.