Speakur

Word Pronunciation & Dictionary

tachyon

/ˈtæ.kiˌɑn/

Word Rarity Very rare

Frequency: Zipf frequency 2.21 in modern English

Syllables
tachy-on
IPA
/ˈtæ.kiˌɑn/
15
Scrabble Score
7
Letters
2
Syllables
7
Unique Chars

Meaning

noun

A hypothetical particle that travels faster than the speed of light.

noun

A flaw in a physical theory that predicts the existence of tachyons or similar paradoxical results. Compare with ghost.

Etymology

Formed as: tachy- + -on, from ταχύς (takhús, “swift”, “rapid”). Coined by American physicist Gerald Feinberg in 1967.

Word Breakdown

Regional Pronunciation

  • American English: /ˈtæ.kiˌɑn/
  • British English: /ˈtæk.i.ɒn/

Inflected Forms

tachyons (plural)

Derived Forms

tachyonic

Frequently Paired Words

luxon tardyon

Synonyms

tachyonic particle

Questions

How do you pronounce tachyon?
The recorded pronunciation is /ˈtæ.kiˌɑn/.
What does tachyon mean?
A hypothetical particle that travels faster than the speed of light.
Where does tachyon come from?
Formed as: tachy- + -on, from ταχύς (takhús, “swift”, “rapid”). Coined by American physicist Gerald Feinberg in 1967.

How to pronounce tachyon

  1. Open the pronunciation page — Open the Speakur entry for “tachyon”.
  2. Read the phonetic spelling — Read the IPA spelling (/ˈtæ.kiˌɑn/) so you know which sounds to aim for.
  3. Play the audio — Click Play to hear reference audio for “tachyon”.
  4. Repeat and practice — Say “tachyon” aloud, matching stress and vowels until it feels natural.