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 ?
and Serva Electrophoresis GmbH today announce the release of an ICPL(TM) Triplex kit, based on stable isotope labeling technology which has now been further developed by Drs.
Researchers, professors and PhD students from universities and institutes all over India, Sri Lanka, Bangladesh and Indonesia gathered at a two-day workshop on 12-13 June to discuss the role of stable isotope techniques in nutrition in informing nutrition policies and programmes.
Cambridge Isotope Laboratories, a producer of stable isotope labelled compounds, has signed a commercial supply agreement with Nexomics Biosciences, a structural biology and protein production contract research organisation, it was reported yesterday.
The radioisotope and stable isotope markets have been segmented according to the type of isotope, and applications.
Quantitative techniques, like stable isotope (SI) analysis, have been widely applied to fish populations as a method for quantification of the trophic links between predator and prey (Power et al.
The study will use three techniques - stable isotope mass spectrometry to determine whether the source of nitrogen in food is synthetic or organic; analysis of molecules known as metabolites, which vary depending on production processes; and analysis of pesticide residues.
Among the topics are the nitrogen isotopic analysis of dissolved inorganic and organic nitrogen in soil extracts, the role of meiofauna in deep-sea benthic food webs revealed by carbon and nitrogen stable isotope analysis, fish scales as a record of atmospheric change, estimating transpiration from the oxygen isotope composition of leaf organic matter, and an improved method for the precise determination of carbon isotopic composition of amino acids.
Stable isotope technique to assess intake of human milk in breastfed infants.
ABSTRACT Controlled feeding experiments with juvenile abalone Haliotis discus hannai were performed to evaluate the suitability of stable isotope analyses for diet inference.
Heavy stable isotope analysis of mid-late Holocene Neolithic burials from Sarawak (Malaysia) identifies groups not apparent in mortuary treatment or inferred subsistence.
Stable isotope analysis, using a gas chromatograph isotope ratio spectrometer (GC-IRMS), is a technique sensitive enough to measure the slight variations in the abundances of these two isotopes for a specific groundwater contaminant, providing the ability to investigate different sources and to determine the fate of groundwater contamination.
If the stable isotope is present in amounts greater than normal, it is reported as atom percent excess and the sample is said to be "enriched.