Rotationsellipsoid

[ʁotaˈt͡si̯oːnsʔɛlɪpsoˌiːt]

/[ʁotaˈt͡si̯oːnsʔɛlɪpsoˌiːt]/ noun

The verdict

“Rotationsellipsoid” is uncommon German (outside the top frequency list), classed as a noun. The kind of spelling people second-guess.

Unranked
below top-frequency German
18
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - ein Ellipsoid, das durch die Drehung einer Ellipse um eine ihrer Achsen entsteht

Corpus desk

Index DE-rotationsellipsoid · Rotationsellipsoid · German

Rotationsellipsoid · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 18 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "R" thin
  • PHOTO-UNK Peer pending

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Key facts for Rotationsellipsoid
PropertyValue
HeadwordRotationsellipsoid
LanguageGerman
Part of speechNoun
IPA[ʁotaˈt͡si̯oːnsʔɛlɪpsoˌiːt]
Letters18
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “Rotationsellipsoid” sits in German frequency

Rotationsellipsoid falls outside the top-100,000 ranked German words, the long-tail zone of technical, archaic, or low-frequency vocabulary, exactly where readers second-guess spellings most.

Beyond rank #100,000. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

Rotationsellipsoid is uncommon German outside the top frequency list, classed as anoun, transcribed [ʁotaˈt͡si̯oːnsʔɛlɪpsoˌiːt]. Rarity is why readers land here mid-draft. Gloss: "ein Ellipsoid, das durch die Drehung einer Ellipse um eine ihrer Achsen entsteht".

Zero misspellings are on record for Rotationsellipsoid in our index, a straightforward case of a spelling with little room for common typos. No confusable counterpart is on file for this word, which tends to mean the word is visually distinctive enough to stand on its own.

This entry's etymology isn't recorded, so its spelling is best read as a straightforward mapping from sound to letter. The correct German form is Rotationsellipsoid, spelled R-O-T-A-T-I-O-N-S-E-L-L-I-P-S-O-I-D.

Definition

  1. 1
    ein Ellipsoid, das durch die Drehung einer Ellipse um eine ihrer Achsen entsteht

Recorded use

Wiktionary examples

These source excerpts show how Rotationsellipsoid appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Nach neueren Forschungen ist verbürgt, dass Nepomuk Trübsteen bereits 1328 erkannte, dass die Erde annähernd ein Rotationsellipsoid ist, was er aber für sich behielt, was ihm wiederum das Schicksal von Nicolaus Copernicus ersparte.
  2. „Schaut man noch genauer hin, ist übrigens auch der Rotationsellipsoid nicht ausreichend, um die Form unseres Planeten exakt zu beschreiben.“

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA). See the methodology for how each field is sourced and updated.

PlainSpell is rendered directly from structured Wiktionary extracts and open word-frequency lists, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of September 3, 2026. Primary sources: Wiktionary (via kaikki.org) and FrequencyWords.

Frequently Asked Questions

How do you spell "Rotationsellipsoid"?
"Rotationsellipsoid" is spelled R-O-T-A-T-I-O-N-S-E-L-L-I-P-S-O-I-D. The IPA pronunciation is [ʁotaˈt͡si̯oːnsʔɛlɪpsoˌiːt].
What does "Rotationsellipsoid" mean?
As a noun, "Rotationsellipsoid" means: ein Ellipsoid, das durch die Drehung einer Ellipse um eine ihrer Achsen entsteht
How do you pronounce "Rotationsellipsoid"?
The IPA (International Phonetic Alphabet) transcription for "Rotationsellipsoid" is [ʁotaˈt͡si̯oːnsʔɛlɪpsoˌiːt]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Rotationsellipsoid" come from?
"Rotationsellipsoid" is a German word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

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Data Source

Wiktionary (via kaikki.org), licensed under CC BY-SA & GFDL. Word ordering uses an open word-frequency list; misspelling variants are generated by edit-distance from the correct headword.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list