multipoles
/ˈmʌltɪˌpoʊlz/
noun
- A set of two or more electric or magnetic poles (positive and negative) that are close together, used in physics to describe fields and radiation patterns.
- Scientists use multipoles to model the distribution of electric charge in molecules.
- In physics class, we learned how multipoles help explain the Earth's magnetic field.
- The antenna was designed as a multipole to improve signal reception.