Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL:

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University


Short "hint"

n. - (psychology) a stimulus that strengthens or weakens the behavior that produced it.

Usage examples (34)
  • In animal behavior, a reinforcer is a reward which tends to increase the frequency of a behavior.
  • The reward just has to be palatable, a natural reinforcer.
  • There are four important considerations in selecting a reinforcer.
  • This Reflections book is a daily reinforcer of the ideas you encountered there. for more
Tutoring comment

Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google,,, and YouTube,,,,, as well as the generous Creative Commons community.