sedimentary rock

noun

"sedimentary-rock" is a 15-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
16
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - One of the major groups of rock that makes up the crust of the Earth; formed by the deposition of either the weathered remains of other rocks, the results of biological activity, or precipitation f...

Key facts for sedimentary rock
PropertyValue
Headwordsedimentary rock
LanguageEnglish
Part of speechNoun
Letters16
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “sedimentary rock” sits in English frequency

sedimentary rock falls outside the top-100,000 ranked English 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

sedimentary rock is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "One of the major groups of rock that makes up the crust of the Earth; formed by the deposition of either the weathered remains of other rocks, the results of biological activity, or precipitation f...".

We couldn't generate a plausible misspelling set for sedimentary rock, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, a sign it's visually distinctive enough not to be mixed up with another word.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct English form is sedimentary rock, spelled S-E-D-I-M-E-N-T-A-R-Y- -R-O-C-K.

Definition

  1. 1
    One of the major groups of rock that makes up the crust of the Earth; formed by the deposition of either the weathered remains of other rocks, the results of biological activity, or precipitation from solution.

This word in other languages

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.

Frequently Asked Questions

How do you spell "sedimentary rock"?
"sedimentary rock" is spelled S-E-D-I-M-E-N-T-A-R-Y- -R-O-C-K.
What does "sedimentary rock" mean?
As a noun, "sedimentary rock" means: One of the major groups of rock that makes up the crust of the Earth; formed by the deposition of either the weathered remains of other rocks, the results of biological activity, or precipitation f...
What language does "sedimentary rock" come from?
"sedimentary rock" is a English word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
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.

Using “sedimentary rock”

The practical upshot for anyone who landed here from a spell-check.

  • The one correct English spelling is S-E-D-I-M-E-N-T-A-R-Y- -R-O-C-K - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words
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 FrequencyWords open word-frequency list