isotope
isotope
[ˈʌɪsətəʊp]
noun
isotopic
adjective
isotopically
adverb
isotopy
noun
语源
[ˈʌɪsətəʊp]
noun
- (Chemistry)each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei, and hence differ in relative atomic mass but not in chemical properties; in particular, a radioactive form of an element
(化)同位素
isotopic
adjective
isotopically
adverb
isotopy
noun
语源
- 1913: coined by F. Soddy, from iso- 'equal' + Greek topos 'place' (because the isotopes occupy the same place in the periodic table of elements)
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