isotope
UK/ˈaɪ.sə.təʊp//ˈaɪ.sə.toʊp/
isotope 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.
Noun
isotope (plural isotopes)
- 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
isotope (third-person singular simple present isotopes, present participle isotoping, simple past and past participle isotoped)
isotope meaning in Hindi, Tamil, Marathi and Urdu
isotope in Hindi
- atoms of the same element having a different number of neutrons
- समस्थानिक samasthānik
isotope in Tamil
- சமபொருண்மை, ஒரகத் தனிமம், சமஅணுவெண் கொண்ட, ஓரகத் தனிமம், ஓரிடத் தனிமம், ஓரிடமூலகம்
isotope in Marathi
- आयसोटोप, समस्थानिक
isotope in Urdu
- ہم جا, نظیر
More languagesFewer languages
- isotope in Bengali
- আইসোটোপ, সমস্থানিক
- isotope in Telugu
- ఐసోటోప్, ఐసోటోపు, ఐసోటోపుకు
- isotope in Malayalam
- ഐസോടോപ്പ്, ഐസോട്ടോപ്പ്
- isotope in Kannada
- ಸಮಸ್ಥಾನಿ
- isotope in Punjabi
- ਆਇਸੋਟੋਪ, ਆਈਸੋਟੋਪ, ਆਈਸਟੋਪ
- isotope in Gujarati
- આઇસોટોપ, સમસ્થાનિક, આયસોટોપ
- isotope in Odia
- ଆଇସୋଟୋପ୍, ଆଇସୋଟୋପ, ସମସ୍ଥାନିକ
- isotope in Nepali
- समस्थानिक, आइसोटोपिंग
- isotope in Tagalog
- kahasik
- isotope in Arabic
- نَظِير naẓīr
- isotope in Malay
- isotop
- isotope in Persian
- ایزوتوپ izotop
- isotope in Vietnamese
- đồng vị
Examples of isotope in a sentence
- In the Wetherill diagram, no isotope is found on both axes, allowing the two decay schemes to be evaluated independently.
- Hydrogen-7 has so many excess neutrons that it lies beyond the neutron drip line, and will spit out neutrons until it becomes a particle-bound isotope.
- Faraday cups are the detectors of choice for precise and accurate isotope ratio measurements.
Forms of isotope
| Noun | |
|---|---|
| plural | isotopes |
| Verb | |
| third-person singular present | isotopes |
| present participle | isotoping |
| past participle | isotoped |
| past | isotoped |
Origin of isotope
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.
Possible back-formation from isotopy.
Words formed from isotope
- clumped isotope
- daughter isotope
- deisotope
- isoscape
- isotope analysis
- isotope dilution
- isotope effect
- isotope exchange
- isotope geochemistry
- isotope hydrology
- isotope map
- isotope separation
- isotope shift
- isotope signature
- isotope table
- isotopics
- isotopism
- isotopometry
- medical isotope
- monoisotope
- nonisotope
- radioisotope
- radio-isotope
- deisotoping
Phrases with isotope
Questions about isotope
- What does isotope mean?
- Isotope means 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.
- What is isotope in Hindi?
- Isotope in Hindi is समस्थानिक (samasthānik). See Isotope meaning in Hindi.
- What part of speech is isotope?
- Isotope can be a noun or a verb.
- How do you pronounce isotope?
- Isotope is pronounced /ˈaɪ.sə.təʊp/ (UK).
- What is the plural of isotope?
- The plural of isotope is isotopes.
Words near isotope in the dictionary
Source and license
Adapted from Wiktionary: isotope (page history and authors); isotope (Tamil Wiktionary) (page history and authors); isotope (Marathi, IndicTrans2 machine translation) (model and license); isotope (Urdu Wiktionary) (page history and authors); isotope (Bengali, IndicTrans2 machine translation) (model and license); isotope (Telugu, IndicTrans2 machine translation) (model and license); isotope (Malayalam, IndicTrans2 machine translation) (model and license); isotope (Kannada Wiktionary) (page history and authors); isotope (Punjabi, IndicTrans2 machine translation) (model and license); isotope (Gujarati, IndicTrans2 machine translation) (model and license); isotope (Odia, IndicTrans2 machine translation) (model and license); isotope (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
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Pronunciation audio from Wikimedia Commons, each file under its own free license: en-us-isotope.ogg.
Cite this entry: “isotope.” Word.ws, https://word.ws/isotope. Based on Wiktionary, CC BY-SA 4.0.