microcrack

noun

"microcrack" is a 10-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
10
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A microscopic crack.

Corpus desk

Index EN-microcrack · microcrack · English

microcrack · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 10 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "M" 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 microcrack
PropertyValue
Headwordmicrocrack
LanguageEnglish
Part of speechNoun
Letters10
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “microcrack” in English

microcrackfalls 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

microcrack is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A microscopic crack.".

We couldn't generate a plausible misspelling set for microcrack, suggesting the orthography follows predictable English patterns. No confusable counterpart is on file for this word, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From micro- + crack. The correct English form is microcrack, spelled M-I-C-R-O-C-R-A-C-K.

Definition

  1. 1
    A microscopic crack.

Etymology

From micro- + crack.

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 "microcrack"?
"microcrack" is spelled M-I-C-R-O-C-R-A-C-K.
What does "microcrack" mean?
As a noun, "microcrack" means: A microscopic crack.
What is the origin of the word "microcrack"?
From micro- + crack. 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