Lackmus

[ˈlakmʊs]

/[ˈlakmʊs]/ noun

The verdict

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

Unranked
below top-frequency German
7
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Indikator für den pH-Wert

Corpus desk

Index DE-lackmus · Lackmus · German

Lackmus · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-LONG 7 letters
  • VOW-2 2 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "L" 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 Lackmus
PropertyValue
HeadwordLackmus
LanguageGerman
Part of speechNoun
IPA[ˈlakmʊs]
Letters7
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Langschwanz-Rang von „Lackmus“ im Deutschen

Lackmusliegt außerhalb der 100.000 häufigsten deutschen Wörter, im Langschwanz technischer, archaischer oder seltener Formen, genau dort, wo Schreibzweifeln zuschlagen.

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

Rare enough to double-check

Lackmus is uncommon German outside the top frequency list, classed as anoun, transcribed [ˈlakmʊs]. Rarity is why readers land here mid-draft. Gloss: "Indikator für den pH-Wert".

We couldn't generate a plausible misspelling set for Lackmus, since its letter sequence doesn't invite the usual edit-distance slips. No confusable counterpart is on file for this word, since nothing in our dataset looks or sounds close enough to cause mix-ups.

Our source data has no etymology on file for this entry, leaving phoneme-to-grapheme mapping as the best guide to its spelling rather than a borrowing history. The correct German form is Lackmus, spelled L-A-C-K-M-U-S.

Definition

  1. 1
    Indikator für den pH-Wert

Recorded use

Wiktionary examples

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

  1. Lackmus ist im sauren Bereich rot und schlägt im alkalischen Bereich (ungefähr ab pH-Wert 8,3) zu Blau um.
  2. „Lackmus ist ein aus bestimmten Flechtenarten gewonnener blauvioletter Farbstoff.“

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 "Lackmus"?
"Lackmus" is spelled L-A-C-K-M-U-S. The IPA pronunciation is [ˈlakmʊs].
What does "Lackmus" mean?
As a noun, "Lackmus" means: Indikator für den pH-Wert
How do you pronounce "Lackmus"?
The IPA (International Phonetic Alphabet) transcription for "Lackmus" is [ˈlakmʊs]. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "Lackmus" come from?
"Lackmus" is a German 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.

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

Source: FrequencyWords open word-frequency list