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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

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.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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)
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
izotóp
samsæta
izotopas
isotop

isotope

[ˈaɪsəʊtəʊp] Nisótopo m
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

isotope

[ˈaɪsətəʊp] nisotope m
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

isotope

nIsotop nt
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

isotope

[ˈaɪsəˌtəup] nisotopo
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

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.
English-Spanish Medical Dictionary © Farlex 2012

isotope

n isótopo
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
The major purpose of this study was to assess the strategies for carbon fixation of the common reed (Phragmitesaustralis) in littoral habitats of flood plain lakes and ponds by using stable isotope natural abundances.
Earlier today, Iran laid the cornerstone of the National Research Center to separate and develop stable isotope uses at the Fordow nuclear facility.
DNA and stable isotope analysis of an anomalous skull from the Natural History Museum of Denmark has allowed researchers to confirm the existence of a narwhal-beluga hybrid.
Oxygen-18 is a natural, stable isotope of oxygen and is an important precursor for the production of fluorodeoxyglucose (FDG) used in positron emission tomography (PET).
We used stable isotope ratios of nitrogen ([delta][sup.15]N) and carbon ([delta][sup.13]C) in different tissues to assess and compare the isotopic niche of adults during the winter (when feathers are replaced; Hatch, 2002), pre-breeding (eggs), and incubation (blood) periods during two years of data collection (2007 and 2008).
Pioneer works of Hamilton, Lewis Jr., and Sippel (1992) and Forsberg, Martinelli, Victoria, and Bonassi (1993) in neotropical freshwaters utilized stable isotope data for identifying the autotrophic carbon sources for aquatic animals in the Orinoco River and Amazon River basins, respectively.
Use of the stable isotope technique has some advantages over conventional approaches, such as analysis of gut contents and direct observations, especially because it is possible to determine more precisely the dietary components assimilated and used for animal growth (LI et al., 2013).
However, the natural variation in a hydrogen stable isotope ratio ([[delta].sup.2]H) is a useful tool to investigate such questions and determine the temporal-spatial dynamics of ecological pathways (Bortolotti et al.
Stable isotope ratios were presented according to the delta (5) notation, where the relative variations of stable isotope ratios are expressed in parts-per-thousand from predefined standards (VPDB for carbon and AIR for nitrogen).
The diets and migrations of past humans have been extensively studied using stable isotope analysis of archaeological bones and teeth.
The aim of the present study was to assess the roles of different components of particulate organic matter (POM) as food for the blue mussel (Mytilus edulis) by comparing the inside and outside of the Menai Strait based on stable isotope analyses and hydrographic observation.