immunohistochemical

adj

"immunohistochemical" is a 19-letter English headword indexed on PlainSpell.

The verdict

“immunohistochemical” is uncommon English (frequency #83,365 among 2,140 “I” headwords), classed as an adjective. The kind of spelling people second-guess.

#83,365
frequency rank, English
2,140
“I” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - Of, pertaining to, or by means of immunohistochemistry, the use of immunological techniques to study the chemistry of tissues.

Corpus desk

Index EN-immunohistochemical · immunohistochemical · English

immunohistochemical · rank #83,365 · 0 variants · 0 confusables

  • FREQ-RARE #83,365
  • LEN-MEGA 19 letters
  • VOW-8 8 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH immunohistoch…

Nearest frequency peer: immunohistochemistry (+1 rank slots)

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.

Long-tail ranks near “immunohistochemical”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

What this shows Long-tail view: where “immunohistochemical” sits against similarly uncommon English ranks.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for immunohistochemical
PropertyValue
Headwordimmunohistochemical
LanguageEnglish
Part of speechAdjective
Letters19
Frequency rank#83,365
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “immunohistochemical” in English

Word frequency stretches from the small set of words we reach for constantly (left) out to the long tail barely used once in a while (right).immunohistochemicalfalls in this rarity band:

#1#100#1K#10K#100K
← used constantlyrarely used →

The axis is logarithmic, with each marked tick roughly ten times rarer than the last. Rare peers in the same band: “immunohistochemistry” (#83,366), “Ilfracombe” (#83,363), “impactor” (#83,367). Among 2,140 “I” headwords, “immunohistochemical” is #83,365. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

immunohistochemical is uncommon English at frequency #83,365 among 2,140 “I” headwords, classed as anadjective. Rarity is why readers land here mid-draft. Gloss: "Of, pertaining to, or by means of immunohistochemistry, the use of immunological techniques to study the chemistry of tissues.".

Zero misspellings are on record for immunohistochemical in our index, a straightforward case of a spelling with little room for common typos. This headword has no recorded confusable partner, since its spelling is unusual enough that it doesn't cluster with a lookalike.

Etymologically, the entry records: From immuno- + histochemical. The correct English form is immunohistochemical, spelled I-M-M-U-N-O-H-I-S-T-O-C-H-E-M-I-C-A-L.

Definition

  1. 1
    Of, pertaining to, or by means of immunohistochemistry, the use of immunological techniques to study the chemistry of tissues.

Etymology

From immuno- + histochemical.

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 English corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "immunohistochemical"?
"immunohistochemical" is spelled I-M-M-U-N-O-H-I-S-T-O-C-H-E-M-I-C-A-L.
What does "immunohistochemical" mean?
As an adjective, "immunohistochemical" means: Of, pertaining to, or by means of immunohistochemistry, the use of immunological techniques to study the chemistry of tissues.
What is the origin of the word "immunohistochemical"?
From immuno- + histochemical. 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.

Similar English words by spelling shape

Same letter count and similar misspelling depth for "immunohistochemical", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 19 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list