Speakur

Word Pronunciation & Dictionary

ergosphere

Word Rarity Very rare

Frequency: Zipf frequency 0.00 in modern English

Syllables
er-go-sphere
IPA
16
Scrabble Score
10
Letters
3
Syllables
7
Unique Chars

Meaning

noun

A region outside the event horizon of a rotating black hole in which space and time are distorted by shear forces.

Etymology

From ergo- + -sphere. Coined by Remo Ruffini and John Archibald Wheeler in 1971 in reference to the fact that it is theoretically possible to extract energy from the region.

Word Breakdown

Inflected Forms

ergospheres (plural)

Derived Forms

ergospheric

Questions

What does ergosphere mean?
A region outside the event horizon of a rotating black hole in which space and time are distorted by shear forces.
Where does ergosphere come from?
From ergo- + -sphere. Coined by Remo Ruffini and John Archibald Wheeler in 1971 in reference to the fact that it is theoretically possible to extract energy from the region.

How to pronounce ergosphere

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