1. The process or state of dividing into two sharply contrasting groups, opinions, or positions with little middle ground.
Usage: Usually plural or used as a mass noun; Common in political and social contexts
2. The restriction of light waves to vibrations in a single plane or direction.
Usage: Physics and optics term
3. The acquisition of electric or magnetic polarity; the state of having opposite charges or magnetic properties at different ends.
Usage: Physics and chemistry term

Examples

• The polarisations within the political party made it difficult to reach consensus on key issues.
• Social media has contributed to increasing polarisations in public opinion.
• The polarisations of light waves allow sunglasses to reduce glare.
• Scientists studied the polarisations of molecules in the solution.
• Economic inequality has led to stark polarisations between wealthy and working-class communities.
• The polarisations observed in the crystal structure explained its optical properties.