Isotope Definition
īsə-tōp
isotopes
noun
Any of two or more forms of an element having the same or very closely related chemical properties and the same atomic number but different atomic weights (or mass numbers)
U-235, U-238, and U-239 are three isotopes of uranium.
Webster's New World
verb
(topology) To define or demonstrate an isotopy of (one map with another).
Wiktionary
Other Word Forms of Isotope
Noun
Singular:
isotope
Plural:
isotopesOrigin of Isotope
-
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.
From Wiktionary
iso– Greek topos place (so called because the isotopes of a chemical element occupy the same position in the periodic table of elements)
From American Heritage Dictionary of the English Language, 5th Edition
Possible back-formation from isotopy.
From Wiktionary
Related Articles
Find Similar Words
Find similar words to isotope using the buttons below.