"polarises" in the noun sense
1. Polaris, North Star, pole star, polar star, polestar
the brightest star in Ursa Minor at the end of the handle of the Little Dipper the northern axis of the earth points toward it
"polarises" in the verb sense
1. polarize, polarise
cause to vibrate in a definite pattern
"polarize light waves"
2. polarize, polarise
cause to concentrate about two conflicting or contrasting positions
3. polarize, polarise
become polarized in a conflict or contrasting situation
Source: WordNet® (An amazing lexical database of English)
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