Word Pronunciation & Dictionary

pi day

/ˈpaɪ deɪ/

Word Rarity Rare

Frequency: Zipf frequency 3.92 in modern English

Syllables
pi -day
IPA
/ˈpaɪ deɪ/
11
Scrabble Score
5
Letters
2
Syllables
5
Unique Chars

Meaning

name

March 14th, an annual celebration of the mathematical constant π (pi).

Example Sentences

Etymology

pi + day, from the date March 14th in the month/day format (that is, 3/14), 3, 1 and 4 being the first three significant digits of the mathematical constant π.

Regional Pronunciation

  • American English: /ˈpaɪ deɪ/
  • British English: /ˈpaɪ deɪ/

Inflected Forms

Questions

How do you pronounce pi day?
The recorded pronunciation is /ˈpaɪ deɪ/.
What does pi day mean?
March 14th, an annual celebration of the mathematical constant π (pi).
Where does pi day come from?
pi + day, from the date March 14th in the month/day format (that is, 3/14), 3, 1 and 4 being the first three significant digits of the mathematical constant π.

How to pronounce pi day

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