concentrator

noun

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

The verdict

“concentrator” is uncommon English (frequency #65,792 among 5,599 “C” headwords), classed as a noun. The kind of spelling people second-guess.

#65,792
frequency rank, English
5,599
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - One who concentrates.

Corpus desk

Index EN-concentrator · concentrator · English

concentrator · rank #65,792 · 0 variants · 0 confusables

  • FREQ-RARE #65,792
  • LEN-MEGA 12 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-DENSE 5,599
  • PHOTO-FINISH compactness

Nearest frequency peer: compactness (-2 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 “concentrator”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for concentrator
PropertyValue
Headwordconcentrator
LanguageEnglish
Part of speechNoun
Letters12
Frequency rank#65,792
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “concentrator” 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).concentratorfalls 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: “compactness” (#65,790), “Corry” (#65,795), “coddling” (#65,788). Among 5,599 “C” headwords, “concentrator” is #65,792. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

concentrator is uncommon English at frequency #65,792 among 5,599 “C” headwords, classed as anoun. Rarity is why readers land here mid-draft. 4 senses are on record.

Zero misspellings are on record for concentrator in our index, which points to an orthography that plays by predictable English rules. Our confusable-pair dataset has no match for it, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From concentrate + -or. The correct English form is concentrator, spelled C-O-N-C-E-N-T-R-A-T-O-R.

Definition

  1. 1
    One who concentrates.
  2. 2
    A hub.
  3. 3
    An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.
  4. 4
    A frame or ring of wire or hard paper fitting into the cartridge case used in some shotguns, and holding the shot together when discharged, to secure close shooting; also, a device for slightly narrowing the bore at the muzzle for the same purpose.

Recorded use

Wiktionary example

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

  1. Experienced classroom teachers are well acquainted with the attention-seeker, the shy girl, the aggressive boy, the poor concentrator, the slow student […]

Etymology

From concentrate + -or.

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 "concentrator"?
"concentrator" is spelled C-O-N-C-E-N-T-R-A-T-O-R.
What does "concentrator" mean?
As a noun, "concentrator" means: One who concentrates.
What is the origin of the word "concentrator"?
From concentrate + -or. 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 "concentrator", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 12 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list