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 ?
Controlled diet and climate experiments on nitrogen isotope ratios of rats.
The Royal College of Radiologists (RCG) fear leaving the organisation could restrict UK access to imported radioactive isotopes that are widely used in scans and treatment.
Based on previous research, this study focused on the Fe isotope composition characteristics of hydrothermal systems, including composition variations of chalcopyrite, pyrite, and sphalerite, and the possible controlling factors.
The isotope composition, in the case of oxygen, is measured as the ratio between two forms of oxygen: the common isotope, oxygen 16 (16O) and its rare, heavy form, oxygen 18 (18O).
This new study reveals a primary biological control step in microbial sulfur metabolism, and clarifies which cellular states lead to which types of sulfur isotope fractionation.
Imagine you have 1,000 plutonium-239 isotopes. In 24,100 years which is its half-life, you will be left with 500 plutonium-239 Isotopes.
Nuclear power company BWX Technologies Inc (NYSE:BWXT) revealed on Monday the completion of the acquisition of Nordion medical isotope business from Sotera Health for an undisclosed amount.
Explosives from ammonium nitrate, to Semtex and a smorgasbord of other chemicals, have gone under the advanced analysis, known as isotope ratio mass spectrometry.
Stable isotope ([[delta].sup.2]H) relationships have been used to determine the origin of various insect populations, including Danaus plexippus Linnaeus (Lepidoptera: Nymphalidae), Episyrphus balteatus (De Geer) [Diptera: Syrphidae), Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae), and Arhopalus ferus (Mulsant) (Coleoptera: Cerambycidae), and the results have demonstrated that a stable isotope ratio can be used as a biogeographical location marker (Dawadi & Lugtenburg 2013; Holder et al.
US-based safety testing and sterilisation specialist Sotera Health LLC has entered into a definitive asset purchase agreement to sell the Medical Isotopes segment of its Nordion business to a subsidiary of BWX Technologies, Inc, the company said.