trichiliocosm

noun

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

The verdict

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

Unranked
below top-frequency English
13
letters

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A concept in cosmology of a "third-order" universe containing one thousand second-order clusters, which are made of one thousand first-order clusters, which are in turn made of a thousand worlds ea...

Corpus desk

Index EN-trichiliocosm · trichiliocosm · English

trichiliocosm · unranked · 0 variants · 0 confusables

  • FREQ-UNRANKED Unranked
  • LEN-MEGA 13 letters
  • VOW-5 5 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-THIN "T" thin
  • PHOTO-UNK Peer pending

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.

Key facts for trichiliocosm
PropertyValue
Headwordtrichiliocosm
LanguageEnglish
Part of speechNoun
Letters13
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “trichiliocosm” in English

trichiliocosmranks outside the top 100,000 English headwords, in the long tail of specialist, archaic, or seldom-used vocabulary, exactly the territory where a reader stops mid-sentence to double-check spelling.

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

Rare enough to double-check

trichiliocosm is uncommon English outside the top frequency list, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A concept in cosmology of a "third-order" universe containing one thousand second-order clusters, which are made of one thousand first-order clusters, which are in turn made of a thousand worlds ea...".

We couldn't generate a plausible misspelling set for trichiliocosm, typically a sign the spelling maps closely to how the word sounds. Our confusable-pair dataset has no match for it, suggesting its spelling stands apart enough that readers rarely confuse it with something else.

Etymologically, the entry records: From tri- + chilia- + cosmos, partially calquing Sanskrit त्रिसहस्रमहासहस्रलोकधातु (trisahasramahāsahasralokadhātu, literally “three thousand million world element”). The correct English form is trichiliocosm, spelled T-R-I-C-H-I-L-I-O-C-O-S-M.

Definition

  1. 1
    A concept in cosmology of a "third-order" universe containing one thousand second-order clusters, which are made of one thousand first-order clusters, which are in turn made of a thousand worlds each. Billion-fold universe.

Etymology

From tri- + chilia- + cosmos, partially calquing Sanskrit त्रिसहस्रमहासहस्रलोकधातु (trisahasramahāsahasralokadhātu, literally “three thousand million world element”).

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 "trichiliocosm"?
"trichiliocosm" is spelled T-R-I-C-H-I-L-I-O-C-O-S-M.
What does "trichiliocosm" mean?
As a noun, "trichiliocosm" means: A concept in cosmology of a "third-order" universe containing one thousand second-order clusters, which are made of one thousand first-order clusters, which are in turn made of a thousand worlds ea...
What is the origin of the word "trichiliocosm"?
From tri- + chilia- + cosmos, partially calquing Sanskrit त्रिसहस्रमहासहस्रलोकधातु (trisahasramahāsahasralokadhātu, literally “three thousand million world element”). 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.

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

Source: FrequencyWords open word-frequency list