Regression

Regression stands for:

• Rückbildung (linguistics) , a concept of historical word formation
• Involution (medicine) , regression of an organ that is only active for a limited time
• Regression of biological features that have become functionless, see rudiment

See also:

Wiktionary: regression  - explanations of meanings, word origins, synonyms, translations

This is a disambiguation page for differentiating between several terms identified with the same word.