agglomeration

noun

"agglomeration" is a 13-letter English headword indexed on PlainSpell.

The verdict

“agglomeration” is an uncommon English word, ranked #50,923 in English word frequency and used as a noun.

#50,923
frequency rank, English
13
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - The act or process of collecting in a mass; a heaping together.

Key facts for agglomeration
PropertyValue
Headwordagglomeration
LanguageEnglish
Part of speechNoun
Letters13
Frequency rank#50,923
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “agglomeration” sits in English frequency

Every-word frequency runs from the handful of words we use constantly (left) to the long tail used once in a blue moon (right). agglomeration lands here:

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

Scale is logarithmic (each tick is 10× rarer). Source: FrequencyWords open word-frequency list.

Spelling & Dictionary Insight

The English entry for agglomeration is 13 letters long, classified as a noun. Corpus data places it at rank #50,923 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. Wiktionary records 4 distinct senses for this headword, so context determines which meaning a reader should apply.

Zero misspellings are on record for agglomeration in our index, since its letter sequence doesn't invite the usual edit-distance slips. It is not paired with a close-neighbour confusable in our dataset, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

Etymologically, the entry records: From Latin agglomerātiō. By surface analysis, agglomerate + -ion. The correct English form is agglomeration, spelled A-G-G-L-O-M-E-R-A-T-I-O-N.

Definition

  1. 1
    The act or process of collecting in a mass; a heaping together.
  2. 2
    State of being collected in a mass; a mass; cluster.
  3. 3
    An extended city area comprising the built-up area of a central city and any suburbs linked by continuous urban area.
  4. 4
    A mass of large volcanic fragments bonded under heat.

Etymology

From Latin agglomerātiō. By surface analysis, agglomerate + -ion.

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); 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 "agglomeration"?
"agglomeration" is spelled A-G-G-L-O-M-E-R-A-T-I-O-N.
What does "agglomeration" mean?
As a noun, "agglomeration" means: The act or process of collecting in a mass; a heaping together.
What is the origin of the word "agglomeration"?
From Latin agglomerātiō. By surface analysis, agglomerate + -ion. 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 “agglomeration”

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

  • The one correct English spelling is A-G-G-L-O-M-E-R-A-T-I-O-N - 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 FrequencyWords open word-frequency list