pyroclast

noun

By · According to Wiktionary data (CC BY-SA) ·

"pyroclast" is a 9-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
9
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Solid matter ejected into the air by an active volcano.

Corpus desk

Index EN-pyroclast · pyroclast · English

pyroclast · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 9 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "P" thin
  • PHOTO-UNK Peer pending

Read with this headword: Spelling guide for this pattern

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 pyroclast
PropertyValue
Headwordpyroclast
LanguageEnglish
Part of speechNoun
Letters9
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “pyroclast” in English

pyroclastranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

pyroclast is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "Solid matter ejected into the air by an active volcano.".

Our edit-distance generator produced no likely misspellings for pyroclast, which points to an orthography that plays by predictable English rules. This headword has no recorded confusable partner, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From pyro- + clast. The correct English form is pyroclast, spelled P-Y-R-O-C-L-A-S-T.

Definition

  1. 1
    Solid matter ejected into the air by an active volcano.

Etymology

From pyro- + clast.

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 "pyroclast"?
"pyroclast" is spelled P-Y-R-O-C-L-A-S-T.
What does "pyroclast" mean?
As a noun, "pyroclast" means: Solid matter ejected into the air by an active volcano.
What is the origin of the word "pyroclast"?
From pyro- + clast. See the full etymology section above for more details.
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.

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

Source: FrequencyWords open word-frequency list