Word Pronunciation & Dictionary

positron

/ˈpɑ.zɪ.tɹɑn/

Word Rarity Rare

Frequency: Zipf frequency 2.64 in modern English

Syllables: positron
IPA: /ˈpɑ.zɪ.tɹɑn/

10

Scrabble Score

8

Letters

3

Syllables

7

Unique Chars

Meaning

noun

The antimatter equivalent of an electron, having the same mass but a positive charge.

Example Sentences

"The notion of a positron weapon remains the stuff of science fiction."
"If these particles carry unit positive charge the curvatures and ionizations produced require the mass to be less than twenty times the electron mass. These particles will be called positrons."

Etymology

From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.

Word Breakdown

Suffix: positive

Regional Pronunciation

American English: /ˈpɑ.zɪ.tɹɑn/
British English: /ˈpɒz.ɪ.tɹɒn/

Inflected Forms

positrons (plural)

Derived Forms

positrino positronic positronium spositron

Phrases

positron emission tomography

Synonyms

antielectron

Questions

How do you pronounce positron?: The recorded pronunciation is /ˈpɑ.zɪ.tɹɑn/.
What does positron mean?: The antimatter equivalent of an electron, having the same mass but a positive charge.
Where does positron come from?: From positive + -tron (electron). Coined by American physicist Carl Anderson in 1932 to replace the earlier term antielectron.

How to pronounce positron

Open the pronunciation page — Open the Speakur entry for “positron”.
Read the phonetic spelling — Read the IPA spelling (/ˈpɑ.zɪ.tɹɑn/) so you know which sounds to aim for.
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