carbolic acid

noun

"carbolic-acid" is a 12-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - phenol (C₆H₅OH)

Key facts for carbolic acid
PropertyValue
Headwordcarbolic acid
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “carbolic acid” sits in English frequency

carbolic acid 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

carbolic acid is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "phenol (C₆H₅OH)".

Zero misspellings are on record for carbolic acid in our index, a sign its spelling follows regular English conventions. It is not paired with a close-neighbour confusable in our dataset, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: Partial calque of German Carbolsäure (modern German Karbolsäure), which was coined in 1834 by its discoverer Friedlieb Ferdinand Runge. The correct English form is carbolic acid, spelled C-A-R-B-O-L-I-C- -A-C-I-D.

Definition

  1. 1
    phenol (C₆H₅OH)

Etymology

Partial calque of German Carbolsäure (modern German Karbolsäure), which was coined in 1834 by its discoverer Friedlieb Ferdinand Runge.

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 "carbolic acid"?
"carbolic acid" is spelled C-A-R-B-O-L-I-C- -A-C-I-D.
What does "carbolic acid" mean?
As a noun, "carbolic acid" means: phenol (C₆H₅OH)
What is the origin of the word "carbolic acid"?
Partial calque of German Carbolsäure (modern German Karbolsäure), which was coined in 1834 by its discoverer Friedlieb Ferdinand Runge. 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.

Using “carbolic acid”

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

  • The one correct English spelling is C-A-R-B-O-L-I-C- -A-C-I-D - 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