Skip to main content

isotope — each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons

Part of speech: NOUN

Definition: each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons

Pronunciation (IPA): /ˈaɪsətoʊp/

Example Sentences

  • The detective used isotope fingerprinting to trace the origin of the suspicious cheese
  • Uranium-235 is a fissile isotope used in nuclear reactors
  • Scientists discovered that the alien's DNA contained isotopes not found on Earth

isotope

NOUN

[/ˈaɪsətoʊp/]

each of two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons

Scientists study a rare isotope glowing softly inside a lead-shielded chamber.
💡 Concept

Scientists study a rare isotope glowing softly inside a lead-shielded chamber.

Through the scope, isotopes bring new hope!
🎵 Rhyme

Through the scope, isotopes bring new hope!

Got the picture? Now let's practice.

🎤Pronunciation

🇺🇸 US/ˈaɪsətoʊp/
🇬🇧 UK/ˈaɪsətəʊp/

🌳Etymology

Prefixiso--
Roottope

Origin

From Greek 'iso-' meaning 'equal' and 'topos' meaning 'place'. The term was coined in 1913 by British chemist Frederick Soddy to describe elements occupying the same position in the periodic table despite having different atomic masses.

Breakdown

iso- (equal) + -tope (place, from Greek topos) = isotope

🎵Rhyme

scope
hope
rope
slope

🔗Collocations

radioactive isotope
stable isotope
isotope analysis
carbon isotope
isotope ratio
heavy isotope

📝Examples

😄 Fun example

“The detective used isotope fingerprinting to trace the origin of the suspicious cheese”

“Uranium-235 is a fissile isotope used in nuclear reactors”

😄 Fun example

“Scientists discovered that the alien's DNA contained isotopes not found on Earth”

“Medical isotopes are widely used in diagnostic imaging and cancer treatment”

📚Related Words

Want to master 27,000+ words?

Sign up free for flashcards & quizzes.