Definition of: inequality

(in′i·kwol′ə·tē) noun plural ·ties
1. The condition of being unequal; disparity.
2. Lack of evenness or proportion; variableness: inequalities of surface; inequalities of climate.
3. Inadequacy; incompetency.
4. Math. A statement that two quantities are not equal, made by placing the sign ≠ between them; or by the sign < or >, the angle being toward the symbol of smaller quantity.
5. The daily variation in rise of the tides due to varying lunar influences. See synonyms Under DIFFERENCE.