ELECTRON

Pronunciation (US):

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 Dictionary entry overview: What does electron mean? 

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

1. an elementary particle with negative charge

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

 Dictionary entry details 

• ELECTRON (noun)

Sense 1

Meaning:

An elementary particle with negative charge

Classified under:

Nouns denoting natural objects (not man-made)

Synonyms:

electron; negatron

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

lepton (an elementary particle that participates in weak interactions; has a baryon number of 0)

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

delta ray (an electron ejected from matter by ionizing radiation)

free electron (electron that is not attached to an atom or ion or molecule but is free to move under the influence of an electric field)

photoelectron (an electron that is emitted from an atom or molecule by an incident photon)

valence electron (an electron in the outer shell of an atom which can combine with other atoms to form molecules)

 Context examples 

In addition, in the hypoxic conditions found within tumors, the excess electrons can generate free radicals within mitochondria and could induce both cytochrome c release and apoptosis.

(Alpha-lipoic Acid-Palladium/Vitamin/Mineral Supplement, NCI Thesaurus)

Molybdenum ion requiring six electrons to return to its elemental state.

(Mo6+, NCI Thesaurus/CRCH)

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

(Aluminum Cation, NCI Thesaurus/CRCH)

Molybdenum ion requiring four electrons to return to its elemental state.

(Mo4+, NCI Thesaurus/CRCH)

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

(Mn3+, NCI Thesaurus/CRCH)

When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles.

(Mole, NCI Thesaurus)

Electron microscopic studies reveal giant mitochondria, a finding not present in any other type of pituitary gland adenomas.

(Acidophil Stem Cell Pituitary Gland Adenoma, NCI Thesaurus)

Invasive embryonal neoplasm of the cerebellum showing neuronal differentiation histologically (Homer-Wright and/or Flexner-Wintersteiner rosette formation) by immunohistochemistry (synaptophysin, chromogranin, or NSE expression), or by electron microscopy (dense core vesicles and microtubules).

(Mouse Medulloblastoma, NCI Thesaurus/MMHCC)

Cadmium ion requiring two electrons to return to its elemental state.

(Cd2+, NCI Thesaurus/CRCH)

The electrons, which are generated when the bacteria make energy for themselves, pass through the cell membrane.

(New Type of Battery Created from Paper, Fueled by Bacteria, The Titi Tudorancea Bulletin)