We found 15 dictionaries that define the word regression line:

General (9 matching dictionaries)

1. regression line: Merriam-Webster
2. regression line: Vocabulary.com
3. regression-line: Wordnik
4. regression line: Dictionary.com
5. Regression line: Wikipedia, the Free Encyclopedia
6. regression line: Rhymezone
7. regression line: FreeDictionary.org
8. regression line: Mnemonic Dictionary
9. regression line: TheFreeDictionary.com

Business (1 matching dictionary)

10. regression line: Financial dictionary

Computing (1 matching dictionary)

11. regression line: Encyclopedia

Medicine (1 matching dictionary)

12. regression line: Medical dictionary

Science (2 matching dictionaries)

13. Statistics (No longer online)
14. Regression line: Fundamental Statistics for the Behavioral Sciences

Tech (1 matching dictionary)

15. Glossary of Meteorology (No longer online)

Definitions from WordNet (regression line) ▸ noun:  a smooth curve fitted to the set of paired data in regression analysis; for linear regression the curve is a straight line Opposite: line of best fit, trend line, correlation line Types: linear regression, power regression, more... ▸ Words similar to regression line ▸ Usage examples for regression line ▸ Idioms related to regression line ▸ Wikipedia articles (New!) ▸ Words that often appear near regression line ▸ Rhymes of regression line ▸ Invented words related to regression line