| / English Dictionary |
PROTON
| Pronunciation (US): |  | (GB): | |
I. (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:
The hydrochloride salt form of dorzolamide, an inhibitor of carbonic anhydrase, a zinc-containing enzyme that catalyzes the rapid conversion of carbon dioxide and water into carbonic acid, protons and bicarbonate ions.
(Dorzolamide Hydrochloride, NCI Thesaurus)
Also called 1H-nuclear magnetic resonance spectroscopic imaging, magnetic resonance spectroscopic imaging, and proton magnetic resonance spectroscopic imaging.
(MRSI, NCI Dictionary)
Being radioactive, aluminium-26 will decay to become more stable and in this process one of the protons in the nucleus decays into a neutron.
(Stellar Corpse Reveals Origin of Radioactive Molecules, ESO)
Studying its properties may allow us to understand better how ordinary matter, the protons and neutrons from which we're all made, is constituted.
(Physicists discover long-sought 'pentaquark' particle, NSF)
Oxygen atoms having the same atomic number (protons) but different mass numbers (and different numbers of neutrons).
(Oxygen isotopes, NOAA Paleoclimate Glossary)
The CubeSat mission, called the Colorado Student Space Weather Experiment (CSSWE), housed a small telescope to measure the flux of solar energetic protons and Earth's radiation belt electrons.
(Six-decade-old space mystery solved with shoebox-sized satellite called a CubeSat, National Science Foundation)
A substituted benzimidazole and proton pump inhibitor with antacid activity.
(Pantoprazole, NCI Thesaurus)
One outcome from these reactions is an increase in the lifespan of electrically charged particles called H3+ ions, which are made up of three protons and two electrons.
(Saturn is Losing Its Rings, NASA)
Yet another attractive possibility is that dark matter—an invisible form of matter not made up of protons, neutrons, and electrons—interacts more strongly with normal matter or radiation than previously assumed.
(Measuring Growth of Universe Reveals a Mystery, The Titi Tudorancea Bulletin)
The R-isomer of lansoprazole and a substituted benzimidazole prodrug with selective and irreversible proton pump inhibitor activity.
(Dexlansoprazole, NCI Thesaurus)
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