polarise

/ˈpoʊləˌraɪz/
verb
  1. To cause light waves to vibrate in a single direction or plane.
    • Scientists use special crystals to polarise laser beams in experiments.
    • Sunglasses are designed to polarise light and reduce glare from surfaces.
    • The filter can polarise the light coming from the sky, making clouds stand out more.
  2. To cause people or opinions to divide into two sharply opposing groups.
    • The leader's speech threatened to polarise the party even further.
    • The debate over the new law began to polarise the community into supporters and opponents.
    • Social media can polarise public opinion by showing only one side of an issue.
  3. To give magnetic or electrical polarity to something.
    • Applying a voltage can polarise the material and align its internal charges.
    • In the experiment, they used a magnet to polarise the iron filings.
    • The technician needed to polarise the battery terminals correctly.
Antonyms
What does "polarise" mean? | whatsthatwordmean | whatsthatwordmean