the property of having poles or being polar:it exhibits polarity when presented to a magnetic needle
the relative orientation of poles; the direction of a magnetic or electric field:the magnetic field peaks in strength immediately after switching polarity [count noun]:sunspots can be classified according to their magnetic field polarities
the state of having two opposite or contradictory tendencies, opinions, or aspects:the polarity between male and female [count noun]:the Cold War’s neat polarities can hardly be carried on
Biology the tendency of living organisms or parts to develop with distinct anterior and posterior (or uppermost and lowermost) ends, or to grow or orientate in a particular direction:the sponge, possessing an axis of polarity, carries an incurrent siphon at one end and an excurrent siphon at the otherthe embryo shows polarity: it has a root pole and a shoot pole
