nanotube

noun

By · According to Wiktionary data (CC BY-SA) ·

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

The verdict

“nanotube” is uncommon English (frequency #59,572 among 24,391 “N” headwords), classed as a noun. The kind of spelling people second-guess.

#59,572
frequency rank, English
24,391
“N” headwords

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - Shortening of carbon nanotube; A carbon molecule, in the shape of a tube, having a fullerene structure and a diameter of about 1 or 2 nanometers.

Key facts for nanotube
PropertyValue
Headwordnanotube
LanguageEnglish
Part of speechNoun
Letters8
Frequency rank#59,572
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “nanotube” 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). nanotube lands here:

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

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

Rare enough to double-check

nanotube is uncommon English at frequency #59,572 among 24,391 “N” headwords, classed as anoun. Rarity is why readers land here mid-draft. 2 senses are on record.

nanotube has no tracked misspelling variants, which points to an orthography that plays by predictable English rules. No confusable counterpart is on file for this word, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From nano- + tube. The correct English form is nanotube, spelled N-A-N-O-T-U-B-E.

Definition

  1. 1
    Shortening of carbon nanotube; A carbon molecule, in the shape of a tube, having a fullerene structure and a diameter of about 1 or 2 nanometers.
  2. 2
    any nanotech tubular structure with a characteristic diameter measured in a few nanometres, such as titanium nanotubes

Etymology

From nano- + tube.

Synonyms

buckytubecarbon nanotube

This word in other languages

nanotube(Français)

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 "nanotube"?
"nanotube" is spelled N-A-N-O-T-U-B-E.
What does "nanotube" mean?
As a noun, "nanotube" means: Shortening of carbon nanotube; A carbon molecule, in the shape of a tube, having a fullerene structure and a diameter of about 1 or 2 nanometers.
What is the origin of the word "nanotube"?
From nano- + tube. 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 “nanotube”

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

  • The one correct English spelling is N-A-N-O-T-U-B-E - every other letter order is a misspelling in standard orthography.
  • Browse more English words and confusable pairs in the same reference. English words

Other uncommon English words near this rank

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