parity

A situation in which two people or things have the same value, strength, or level.

• The workers want pay parity.
• The two currencies briefly reached parity.
• Will the new policy achieve parity between men and women?

How to use it: parity with someone/something (Teachers are seeking pay parity with other professionals.); parity between A and B (The agreement established parity between the two groups.)

Similar words: equality, equivalence

Opposites: inequality

Common phrases: pay parity, achieve parity, parity with something

Which of two groups something belongs to, especially whether a number is even or odd.

• The numbers have the same parity.
• Adding one changes an integer's parity.
• A parity check can reveal an error in the data.

Common phrases: odd parity, even parity, parity check

The property of a collection whose members fall into two separate groups, such as even and odd numbers.

• This set has a natural parity structure.
• The operation preserves parity within the set.
• Parity separates the integers into two groups.

Common phrases: set parity, preserve parity, parity structure

A likeness between two things that allows them to be compared.

• The lawyer argued from parity of circumstances.
• By parity of reasoning, this case deserves the same treatment.
• Their argument rests on a supposed parity between the situations.

How to use it: by parity of reasoning (By parity of reasoning, the same rule should apply here.)

Similar words: similarity, resemblance, analogy

Opposites: dissimilarity

Common phrases: parity of reasoning, parity of circumstances