POSITIVE FEEDBACK

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does positive feedback mean? 

• POSITIVE FEEDBACK (noun)
  The noun POSITIVE FEEDBACK has 1 sense:

1. feedback in phase with (augmenting) the input

  Familiarity information: POSITIVE FEEDBACK used as a noun is very rare.

 Dictionary entry details 

• POSITIVE FEEDBACK (noun)

Sense 1

Meaning:

Feedback in phase with (augmenting) the input

Classified under:

Nouns denoting natural processes

Synonyms:

positive feedback; regeneration

Hypernyms ("positive feedback" is a kind of...):

feedback (the process in which part of the output of a system is returned to its input in order to regulate its further output)

Hyponyms (each of the following is a kind of "positive feedback"):

vicious circle; vicious cycle (one trouble leads to another that aggravates the first)

 Context examples 

It is a positive feedback in this example.

(Climatic feedback mechanisms, NOAA Paleoclimate Glossary)

One of the genes activated by E2F is cyclin E itself, leading to a positive feedback cycle as cyclin E accumulates.

(Cyclin E Degradation Pathway, NCI Thesaurus/BIOCARTA)

This also removes the inhibition of PKA by DARPP-32, forming a positive feedback loop for further DARPP-32 inactivation by PKA.

(CK1/CDK5 Regulation Pathway, NCI Thesaurus/BIOCARTA)

This protein is directly phosphorylated by Tec in vitro where it participates in a positive feedback loop, increasing Tec activity.

(BCR Downstream Signaling 1, NCI Thesaurus)

A feedback is an enhancement (positive feedback) or a damping (negative feedback) of an initial change, in this case in the climate system.

(Climatic feedback mechanisms, NOAA Paleoclimate Glossary)