Associations to the word «Electron»

ELECTRON, noun. (particle) The subatomic particle having a negative charge and orbiting the nucleus; the flow of electrons in a conductor constitutes electricity.

ELECTRON, noun. (chemistry) (obsolete) Alloys of magnesium and other metals, like aluminum or zinc, that were manufactured by the German company Chemische Fabrik Griesheim-Elektron.

ELECTRON, proper noun. A taxonomic genus within the family Momotidae   — two species of motmots.

ELECTRON AFFINITY, noun. (physics) The energy released when an electron is attached to an atom or molecule; used as a measure of its ability to form an anion

ELECTRON CAPTURE, noun. (physics) A nuclear reaction in which an electron (either free, or from the shell of the atom itself) is absorbed into a nucleus, a proton being converted into a neutron in the process

ELECTRON CAPTURE DETECTOR, noun. (analytical chemistry) An item of laboratory equipment used coupled to a gas chromatograph for the detection and quantification of very minute amounts halogenated organic compounds.

ELECTRON CAPTURE DETECTORS, noun. Plural of electron capture detector

ELECTRON CARRIER, noun. (biochemistry) Any of several classes of molecule that acts as both an acceptor and donator of electrons and functions in an energy-producing system such as photosynthesis

ELECTRON CLOUD, noun. (physics) A mathematically defined region around an atomic nucleus defined by a high probability that the atom's electrons will be present in that region.

ELECTRON CLOUDS, noun. Plural of electron cloud

ELECTRON CONFIGURATION, noun. (physics) (chemistry) The arrangement of electrons in an atom, molecule, or other physical structure like a crystal.

ELECTRON CONFIGURATIONS, noun. Plural of electron configuration

ELECTRON CRYOMICROSCOPY, noun. The electron microscopy of sensitive biological materials carried out at low temperature so as to limit damage to the structure of the material being examined

ELECTRON DENSITY, noun. (physics) A measure of the probability of finding an electron at a specific location within an orbital

ELECTRON DENSITY, noun. (physics) A measure of the number of electrons per unit volume of space.

ELECTRON DONOR, noun. (chemistry) A reducing agent that functions by donating electrons to another compound

ELECTRON GUN, noun. (physics) Any device that produces a stream of electrons, especially a narrow stream that is focused onto a phosphor screen.

ELECTRON GUNS, noun. Plural of electron gun

ELECTRON HOLE, noun. (physics) A vacant position in the atomic lattice of a conductor where an electron would normally be present

ELECTRON MICROGRAPH, noun. A micrograph produced using an electron microscope.

ELECTRON MICROGRAPHS, noun. Plural of electron micrograph

ELECTRON MICROSCOPE, noun. Any of several forms of microscope that use a beam of electrons, rather than one of light, and thus has a much greater resolving power.

ELECTRON MICROSCOPES, noun. Plural of electron microscope

ELECTRON MICROSCOPY, noun. Microscopy carried out using an electron microscope

ELECTRON NEUTRINO, noun. A leptonic elementary particle, having near-zero mass and no charge

ELECTRON NEUTRINOS, noun. Plural of electron neutrino

ELECTRON NUMBER, noun. (physics) The number of electrons in an atom or ion

ELECTRON PAIR, noun. (chemistry) (physics) Two electrons having opposite spin but all other quantum numbers the same; i.e two electrons in the same atomic orbital or molecular orbital, especially such electrons that function in concert to form a covalent bond

ELECTRON SHELL, noun. (physics) The collective states of all electrons in an atom having the same principal quantum number (visualized as an orbit in which the electrons move).

ELECTRON SPIN RESONANCE, noun. (physics) The absorption of radiation by species having unpaired electrons when placed in a magnetic field that is used spectroscopically to detect and study free radicals

ELECTRON TRANSFER REACTION, noun. (chemistry) a reaction in which a single electron is transferred from one molecule to another; one being oxidized and the other reduced (also known as a redox reaction); long-range electron transfer reactions are important in biological reactions involving metalloproteins such as haemoglobin

ELECTRON TRANSFER REACTIONS, noun. Plural of electron transfer reaction

ELECTRON TUBE, noun. (physics) Any of several devices consisting of a sealed chamber, either evacuated or filled with gas at low pressure, in which an electric current flows between electrodes.

ELECTRON TUBES, noun. Plural of electron tube

ELECTRON VOLT, noun. (physics) A unit for measuring the energy of subatomic particles; the energy equal to that attained by an electron moving through a potential difference of one volt. Equivalent to 1.6022 x 10-19 joules.

ELECTRON VOLTS, noun. Plural of electron volt

ELECTRON WAVE FUNCTION, noun. (physics) A function of the position and spin of an electron; related to the probability of finding the electron in a specified position

ELECTRON WAVE FUNCTIONS, noun. Plural of electron wave function

ELECTRON, noun. An elementary particle with negative charge.