| Library / English Dictionary |
ELECTRON
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An elementary particle with negative charge
Synonyms:
Classified under:
Nouns denoting natural objects (not man-made)
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 pathology, the specific appearance of cells and tissues (normal and abnormal) under the light or electron microscope.
(Morphology, NCI Thesaurus)
Manganese ion requiring two electrons to return to its elemental state.
(Mn2+, NCI Thesaurus/CRCH)
Cytochrome c, a key protein in electron transport, is released from mitochondria in response to apoptotic signals, and activates Apaf-1, a protease released from mitochondria.
(Apoptosis DNA Damage Pathway, NCI Thesaurus/BIOCARTA)
Boron ion requiring three electrons to return to its elemental state.
(B3+, NCI Thesaurus/CRCH)
A finding resulting from the examination of a tissue sample under light or electron microscopy.
(Microscopic Finding, NCI Thesaurus)
An assessment by microscope (e.g., light, electron, confocal, etc.).
(Microscopic Examination, NCI Thesaurus/CDISC)
Electron microscopy shows small secretory granules.
(Carcinoid Tumor, NCI Thesaurus)
Bioactivation of aziridinylbenzoquinone RH1 occurs through the two-electron reduction of the quinone to the hydroquinone by the two-electron quinone reductase DT-diaphorase (DTD).
(Aziridinylbenzoquinone RH1, NCI Thesaurus)
Atovoquone blocks the mitochondrial electron transport at complex III of the respiratory chain of protozoa, thereby inhibiting pyrimidine synthesis, preventing DNA synthesis and leading to protozoal death.
(Atovaquone, NCI Thesaurus)
Arsenic ion requiring three electrons to return to its elemental state.
(As3+, NCI Thesaurus/CRCH)
