biocidal

/ˌbaɪə(ʊ)ˈsaɪdəl/

//ˌbaɪə(ʊ)ˈsaɪdəl// adj

"biocidal" is a 8-letter English headword indexed on PlainSpell.

The verdict

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

Unranked
below top-frequency English
8
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Able to kill living organisms, especially microorganisms

Key facts for biocidal
PropertyValue
Headwordbiocidal
LanguageEnglish
Part of speechAdjective
IPA/ˌbaɪə(ʊ)ˈsaɪdəl/
Letters8
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “biocidal” sits in English frequency

biocidal 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

biocidal is uncommon English outside the top frequency list, classed as anadjective, transcribed /ˌbaɪə(ʊ)ˈsaɪdəl/. Rarity is why readers land here mid-draft. Gloss: "Able to kill living organisms, especially microorganisms".

No generated misspelling entries exist for biocidal in our index, since its letter pattern doesn't lend itself to common typo substitutions. No close-neighbour confusable shows up for this headword in our dataset, since nothing in our dataset looks or sounds close enough to cause mix-ups.

This entry carries no recorded etymology, so its spelling is best read as a straightforward mapping from sound to letter. The correct English form is biocidal, spelled B-I-O-C-I-D-A-L.

Definition

  1. 1
    Able to kill living organisms, especially microorganisms

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 "biocidal"?
"biocidal" is spelled B-I-O-C-I-D-A-L. The IPA pronunciation is /ˌbaɪə(ʊ)ˈsaɪdəl/.
What does "biocidal" mean?
As an adjective, "biocidal" means: Able to kill living organisms, especially microorganisms
How do you pronounce "biocidal"?
The IPA (International Phonetic Alphabet) transcription for "biocidal" is /ˌbaɪə(ʊ)ˈsaɪdəl/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What language does "biocidal" come from?
"biocidal" is a English word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 “biocidal”

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

  • The one correct English spelling is B-I-O-C-I-D-A-L - every other letter order is a misspelling in standard orthography.
  • Say it as /ˌbaɪə(ʊ)ˈsaɪdəl/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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