How Vedas describe the term "antimaterial"?

In the Vedas the supreme living being, or the Absolute Truth, is called Bhagavan-- the opulent one, the living being who is the fountainhead of all energies. The discovery of the two forms of limited energies by the modern scientists is just the beginning of the progress of science

How can the antimaterial particle be explained? We have experience with material particles or atom. However, the Bhagavad--Gita gives the following vivid description of antimaterial particle:

The antimaterial particle is within the material body. Because of the presence of this antimaterial particle, the material body is progressively changing from childhood to boyhood, from boyhood to youth to old age, after which the antimaterial particle, leaves the old, unworkable body and takes up another material body.

Write about the "Matter"? Here👇.