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Wordnet 3.0

NOUN (2)

1. a relation between two opposite attributes or tendencies;
- Example: "he viewed it as a balanced polarity between good and evil"
[syn: mutual opposition, polarity]

2. having an indicated pole (as the distinction between positive and negative electric charges);
- Example: "he got the polarity of the battery reversed"
- Example: "charges of opposite sign"
[syn: polarity, sign]


The Collaborative International Dictionary of English v.0.48:

Polarity \Po*lar"i*ty\, n. [Cf. F. polarit['e].] 1. (Physics) That quality or condition of a body in virtue of which it exhibits opposite, or contrasted, properties or powers, in opposite, or contrasted, parts or directions; or a condition giving rise to a contrast of properties corresponding to a contrast of positions, as, for example, attraction and repulsion in the opposite parts of a magnet, the dissimilar phenomena corresponding to the different sides of a polarized ray of light, etc. [1913 Webster] 2. (Geom.) A property of the conic sections by virtue of which a given point determines a corresponding right line and a given right line determines a corresponding point. See Polar, n. [1913 Webster]
WordNet (r) 3.0 (2006):

polarity n 1: a relation between two opposite attributes or tendencies; "he viewed it as a balanced polarity between good and evil" [syn: mutual opposition, polarity] 2: having an indicated pole (as the distinction between positive and negative electric charges); "he got the polarity of the battery reversed"; "charges of opposite sign" [syn: polarity, sign]
Moby Thesaurus II by Grady Ward, 1.0:

91 Moby Thesaurus words for "polarity": Janus, N pole, S pole, ambiguity, ambivalence, antagonism, anteposition, antipathy, antithesis, balance, biformity, bifurcation, bilateral symmetry, clashing, collision, conflict, conformity, confrontation, confrontment, congruity, conjugation, consistency, contention, contradiction, contradistinction, contraindication, contraposition, contrariety, contrast, correspondence, counterposition, cross-purposes, dichotomy, disagreement, discrepancy, doubleness, doublethink, doubling, dualism, duality, duplexity, duplication, duplicity, dynamic symmetry, equality, equilibrium, equivocality, eurythmics, eurythmy, evenness, finish, halving, harmony, hostility, inconsistency, inimicalness, irony, keeping, magnetic axis, magnetic pole, multilateral symmetry, negative pole, north pole, opposing, oppositeness, opposition, opposure, oppugnance, oppugnancy, pairing, parallelism, perversity, polar opposition, polarization, pole, posing against, positive pole, proportion, proportionality, regularity, repugnance, shapeliness, showdown, south pole, symmetricalness, symmetry, trilateral symmetry, twinning, two-facedness, twoness, uniformity