The Simple English Wiktionary has a definition for: similarity.

Similarity can mean:

In mathematics:

• Similarity (geometry), when a shape looks the same as another shape, but has a different size or rotation
• Matrix similarity, a relation between matrices

In computer science:

• String metric, or string similarity
• Semantic similarity in computational linguistics

In other fields:

• In psychology, similarity (psychology)
• In music, musical similarity
• In chemistry, chemical similarity

• Difference
• Equality (mathematics)
• Identity (philosophy)

This disambiguation page lists articles associated with the title Similarity. If an internal link led you here, you may wish to change the link to point directly to the intended article.