isotope

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English[edit]

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Etymology 1[edit]

Coined in 1914 by British chemist Frederick Soddy from Ancient Greek ἴσος (ísos, equal; same) and τόπος (tópos, place), because the different isotopes of a chemical element always occupy the same position in the periodic table of elements. Compare the synonymous Icelandic word samsæta.

Pronunciation[edit]

Noun[edit]

isotope (plural isotopes)

  1. (physics) Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms for the same isotope will have the same atomic number but a different mass number (atomic weight).
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Etymology 2[edit]

Possible back-formation from isotopy.

Pronunciation[edit]

Verb[edit]

isotope (third-person singular simple present isotopes, present participle isotoping, simple past and past participle isotoped)

  1. (topology, transitive) To define or demonstrate an isotopy of (one map with another).
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French[edit]

Pronunciation[edit]

Adjective[edit]

isotope (masculine and feminine, plural isotopes)

  1. isotopic (relating to isotopes)

Noun[edit]

isotope m (plural isotopes)

  1. isotope

External links[edit]


German[edit]

Adjective[edit]

isotope

  1. inflected form of isotop

Latin[edit]

Noun[edit]

isotope

  1. vocative singular of isotopus