at a nuclear-energy level: electron & positron - seem to be stable, proton... Read More
stable elementary particles having the smallest known positive charge, found in the nuclei of all elements. The... Read More
electrically neutral elementary particles found in all atomic nuclei except light hydrogen; the mass is equal to... Read More
stable elementary particles having the smallest known negative charge, present in all elements; also called... Read More
Origin: L. Vortex, vertex, -icis, fr. Vortere, vertere, to turn. See Vertex.
1. A mass of fluid, especially of a... Read More
A plant requires water as an essential ingredient of photolysis, the photochemical stage of photosynthesis where water is... Read More