We found 10 dictionaries that define the word positive reinforcer:

General (7 matching dictionaries)

1. positive reinforcer: Vocabulary.com
2. positive reinforcer: Dictionary.com
3. Positive reinforcer: Wikipedia, the Free Encyclopedia
4. positive reinforcer: Rhymezone
5. positive reinforcer: FreeDictionary.org
6. positive reinforcer: Mnemonic Dictionary
7. positive reinforcer: TheFreeDictionary.com

Business (1 matching dictionary)

8. positive reinforcer: Legal dictionary

Computing (1 matching dictionary)

9. positive reinforcer: Encyclopedia

Medicine (1 matching dictionary)

10. positive reinforcer: Medical dictionary

Definitions from WordNet (positive reinforcer) ▸ noun:  a reinforcing stimulus that serves to increase the likelihood of the response that produces it Opposite: negative reinforcer, punishment, aversive stimulus ▸ Words similar to positive reinforcer ▸ Usage examples for positive reinforcer ▸ Idioms related to positive reinforcer ▸ Wikipedia articles (New!) ▸ Words that often appear near positive reinforcer ▸ Rhymes of positive reinforcer ▸ Invented words related to positive reinforcer