"Robert Andrews Millikan" is not a common English word but rather the name of a famous person. He was an American physicist known for his important contributions to science, particularly in the study of the electron, a tiny particle that makes up atoms.
Explanation:
Who was he? Robert Andrews Millikan (1868-1953) was a scientist who helped us understand the nature of electricity and how electrons behave.
What did he do? He is best known for isolating the electron, which means he was able to separate it and study it individually. He also measured the charge of an electron, telling us how much electric charge it has.
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There are no specific idioms or phrasal verbs related to Millikan, but in scientific discussions, you might hear phrases like "break down" (to analyze something into parts, similar to how he isolated the electron).
Summary:
Robert Andrews Millikan is a significant figure in physics, particularly known for his work on the electron. His experiments laid the groundwork for modern physics, and his name is often mentioned in the context of electrical charge and atomic theory.