isotope

Meaning

Noun

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. Thus, isotopes have the same atomic number but a different mass number.

Verb

To define or demonstrate an isotopy of (one map with another).

Synonyms

isotopic element

Translations

isotope

isótopo

Isotop

isotopo

isótopo

ισότοπο

isòtop

isotoop

izotop

îzotop

نظير

isotopus

İzotop

نَظِير

Pronounced as (IPA)

/ˈaɪ.sə.təʊp/

Etymology

From iso- (“equal”) + -tope (“place”), because the different isotopes of an element always occupy the same place in the periodic table. The term was coined by Scottish doctor Margaret Todd in 1909 and first used publicly on February 27, 1913 by English chemist Frederick Soddy.