isotope

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i·so·tope

 (ī′sə-tōp′)
n.
One of two or more atoms having the same atomic number but different mass numbers.

[iso- + Greek topos, place (so called because the isotopes of a chemical element occupy the same position in the periodic table of elements).]

i′so·top′ic (-tŏp′ĭk) adj.
i′so·top′i·cal·ly adv.

isotope

(ˈaɪsəˌtəʊp)
n
(Chemistry) one of two or more atoms with the same atomic number that contain different numbers of neutrons
[C20: from iso- + Greek topos place]
isotopic adj
ˌisoˈtopically adv
isotopy n

i•so•tope

(ˈaɪ səˌtoʊp)

n.
one of two or more forms of a chemical element having the same number of protons, or the same atomic number, but having different numbers of neutrons, or different atomic weights.
[1913; iso- + Greek tópos place]
i′so•top′ic (-ˈtɒp ɪk) adj.
i`so•top′i•cal•ly, adv.
i•sot•o•py (aɪˈsɒt ə pi, ˈaɪ səˌtoʊ pi) n.

i·so·tope

(ī′sə-tōp′)
One of two or more atoms that have the same number of protons but a different number of neutrons. Carbon 12, the most common form of carbon, has six protons and six neutrons, whereas carbon 13 has six protons and seven neutrons.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.isotope - one of two or more atoms with the same atomic number but with different numbers of neutrons
atom - (physics and chemistry) the smallest component of an element having the chemical properties of the element
radioisotope - a radioactive isotope of an element; produced either naturally or artificially
deuterium, heavy hydrogen - an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
Translations
izotóp
samsæta
izotopas
isotop

isotope

[ˈaɪsəʊtəʊp] Nisótopo m

isotope

[ˈaɪsətəʊp] nisotope m

isotope

nIsotop nt

isotope

[ˈaɪsəˌtəup] nisotopo

i·so·tope

n. isótopo, elemento químico parte de un grupo de elementos que presentan propiedades casi idénticas, pero difiere de éstos en el peso atómico.

isotope

n isótopo
References in periodicals archive ?
This product is designed to offer the glycobiology community the accuracy and precision provided by an isotopically labeled standard, and will be highlighted by various presentations at the 2015 American Society for Mass Spectrometry (ASMS) conference.
The March Group currently represents a leader in providing custom synthesized isotope labeled compounds including intermediates, final drug substances, and isotopically labeled biological standards.
Magellan Metals Pty Ltd, a subsidiary of Ivernia, has isotopically tested a sample of dried mud from the bottom of a shipping container that was transported from the Magellan mine site to the Port of Fremantle.
This edition has been updated and expanded to include chapters on organometallic heterocyclic chemistry, heterocyclics in biochemistry and natural products, especially biochemical processes, and in medicine; the use of bioprocesses in heterocyclic transformations, green chemistry and ionic liquids, and applications of heterocyclic compounds in everyday life; and new sections on heterocyclic fluorine compounds, isotopically labeled heterocycles, and solid-phase chemistry, microwave heating, and flow reactors.
HSI's portfolio currently includes more than 75 newly patented isotopically labelled synthons for the research community.
Metabolic processes that take place in an organism's cells, and especially in microorganisms, produce isotopically light carbon.
In fact, that carbon-isotope ratio is far below that found in other diamonds and in other reservoirs of isotopically light carbon, including carbon-rich meteorites and interplanetary dust.
Our laboratory uses both the highest caliber instrumentation and isotopically labeled internal standards, which result in high-quality, validated exposure-assessment methods capable of producing reliable and consistent results.
In essence, the E value is a measure of the size of the isotopically exchangeable solid phase 'pool' of element in the soil:
This book is a research-level text, containing contributed chapters on radiolabelled insecticides, herbicides, and fungicides; isotopically labelled histamine H2-receptor antagonists; the preparation of tritium-labelled steroids, synthesis and applications of tritiated affinity probes, tritium-labelled hormones, pheromones, odorants and affinity labels; labelled eicosanoids; isotopically labelled gibberellins; preparation of radio-halogenated biomolecules via organotin intermediates; use of enzymes in the synthesis of stereospecifically labelled compounds; and protein labelling reagents.
Isonics is a world leader in isotopically engineered materials and through its semiconductor division, it provides 300-millimeter products and services, wafer thinning and silicon-on-insulator wafers, for the semiconductor industry.
Since metabolic processes that take place in cells produce isotopically light carbon, a high concentration of carbon-12 is often a sign that the carbon was generated by biologic activity, Whitehouse adds.