Also known as: AC-
AC stands for various terms. Discover the full forms, meanings, and possible interpretations of AC across different fields and industries.
Evenly narrowed into a point at an angle of less than 90 degrees.
MedicalPhysiologySymbol:"Ac" Atomic Number:"89" Atomic Mass: 227.03amu. It is one of the elements in the actinide series of inner transition elements. It may also be classified as a rare earth element. Actinium is the first element of the actinide series. It is used as a source of neutrons in experiments that involve radioactivity. You will not find the element in regular use anywhere in the natural world.
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