PROTON

Pronunciation (US):

(GB):

IPA (US):

 Dictionary entry overview: What does proton mean? 

• PROTON (noun)
  The noun PROTON has 1 sense:

1. a stable particle with positive charge equal to the negative charge of an electron

  Familiarity information: PROTON used as a noun is very rare.

 Dictionary entry details 

• PROTON (noun)

Sense 1

Meaning:

A stable particle with positive charge equal to the negative charge of an electron

Classified under:

Nouns denoting natural objects (not man-made)

Hypernyms ("proton" is a kind of...):

nucleon (a constituent (proton or neutron) of an atomic nucleus)

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

hydrogen ion (a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus)

 Context examples 

They explained: Hydrogenase is an enzyme present in algae that is capable of reducing protons into hydrogen.

(Scientists pioneer a new way to turn sunlight into fuel, University of Cambridge)

The magnesium salt form of a benzimidazole with selective and irreversible proton pump inhibitor activity.

(Omeprazole Magnesium, NCI Thesaurus)

A benzimidazole with selective and irreversible proton pump inhibition activity.

(Omeprazole, NCI Thesaurus)

In the presence of dinitrophenol, energy is consumed to pump protons out of mitochondria, but this energy is not recaptured in chemical form in ATP.

(Electron Transport Pathway, NCI Thesaurus/BIOCARTA)

The sodium salt form of a substituted benzimidazole with proton pump inhibitor activity.

(Pantoprazole Sodium, NCI Thesaurus)

The sodium salt form of a benzimidazole with selective and irreversible proton pump inhibitor activity.

(Omeprazole Sodium, NCI Thesaurus)

Each atom has a nucleus (center) made up of protons (positive particles) and neutrons (particles with no charge).

(Atom, NCI Dictionary)

This allele, which encodes V-type proton ATPase subunit S1 protein, is involved in vacuolar acidification.

(ATP6AP1 wt Allele, NCI Thesaurus)

A type of external radiation therapy that uses a special machine to make invisible, high-energy particles (protons or helium ions) that kill cancer cells.

(Charged-particle radiation therapy, NCI Dictionary)

Photon beam radiation therapy is different from proton beam therapy.

(Electron Beam Therapy, NCI Dictionary)