Confused and have questions? We’ve got answers. With Chegg Study, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors.


From Biology-Online Dictionary | Biology-Online Dictionary
Jump to: navigation, search


1. To abolish; to quench, as a flame; to cause loss of identity; to destroy.

2. In psychology, to progressively abolish a previously conditioned response.

See: conditioning.

Origin: L. Extinguo, to quench