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ION

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 I. (noun) 

Sense 1

Meaning:

A particle that is electrically charged (positive or negative); an atom or molecule or group that has lost or gained one or more electronsplay

Classified under:

Nouns denoting natural objects (not man-made)

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

particle; subatomic particle (a body having finite mass and internal structure but negligible dimensions)

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

anion (a negatively charged ion)

cation (a positively charged ion)

Derivation:

ionate (add ions to)

ionic (containing or involving or occurring in the form of ions)

ionise; ionize (convert into ions)

Credits

 Context examples: 

The specific parts of a protein molecule that directly participate in its interactions with a metal ion.

(Metal Binding Site, NCI Thesaurus)

Boron ion requiring three electrons to return to its elemental state.

(B3+, NCI Thesaurus/CRCH)

A specific type of protein in the AFD neurons, known as a TAX-4 cyclic nucleotide-gated ion channel, was required for magnetic orientation and vertical migration.

(Magnetic Field Sensor Unearthed in Worms, NIH)

These materials perform well together, which is why lithium-ion batteries have become increasingly popular.

(Creating Better Lithium-Ion Batteries Made Possible with New Discovery, The Titi Tudorancea Bulletin)

Using its ion propulsion system, Dawn will enter orbit around Ceres on March 6.

('Bright Spot' on Ceres Has Dimmer Companion, NASA)

Family of enzymes which use a metal ion in the catalytic process and preferentially cleave the Gln-Gly peptide bond.

(Metalloproteinase, NIH CRISP Thesaurus)

The drug is delivered to the affected region of the brain by a neural probe incorporating a tiny ion pump and electrodes to monitor neural activity.

(Electronic device implanted in the brain could stop seizures, The Titi Tudorancea Bulletin)

Moricizine hydrochloride blocks the rapid flow of sodium ions into the myocardial cell during phase 0 of the action potential.

(Moricizine Hydrochloride, NCI Thesaurus)

A murine monoclonal antibody directed against CD20, a cross-membrane ion channel phosphoprotein expressed by B cells, with potential antineoplastic activity.

(Monoclonal Antibody 1F5, NCI Thesaurus)

Example methods include: weighing, use of a mass spectrometer, use of an ion sensitive electrode, and examination using a microscope.

(Method, LOINC Axis 6, NCI Thesaurus)




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