| adjective | having a pair of equal and opposite charges |
| adjective | characterized by opposite extremes; completely opposed “in diametric contradiction to his claims” |
| adjective | located at or near or coming from the earth's poles “polar diameter” |
| adjective | of or existing at or near a geographical pole or within the Arctic or Antarctic Circles “polar regions” |
| adjective | extremely cold “an arctic climate” |
| adjective | being of crucial importance; ; - Henry Kissinger “a pivotal event” |
| pole | noun | a contact on an electrical device (such as a battery) at which electric current enters or leaves |
| polarity | noun | having an indicated pole (as the distinction between positive and negative electric charges) |
| oppositeness | noun | the relation between opposed entities |
| gelidity | noun | coldness due to a cold environment |
| pivot | noun | the person in a rank around whom the others wheel and maneuver |