/poh lar"i tee, peuh-/ , n.
1. Physics.
a. the property or characteristic that produces unequal physical effects at different points in a body or system, as a magnet or storage battery.
b. the positive or negative state in which a body reacts to a magnetic, electric, or other field.
2. the presence or manifestation of two opposite or contrasting principles or tendencies.
3. Ling.
a. (of words, phrases, or sentences) positive or negative character.
b. polar opposition.
[ 1640-50; POLAR + -ITY ]