astrodome

noun

"astrodome" is a 9-letter English headword indexed on PlainSpell.

The verdict

“astrodome” is uncommon English (frequency #72,096 among 3,931 “A” headwords), classed as a noun. The kind of spelling people second-guess.

#72,096
frequency rank, English
3,931
“A” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - A transparent dome in the fuselage of an aircraft or spacecraft through which navigational observations may be made

Corpus desk

Index EN-astrodome · astrodome · English

astrodome · rank #72,096 · 0 variants · 0 confusables

  • FREQ-RARE #72,096
  • LEN-LONG 9 letters
  • VOW-4 4 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 3,931
  • PHOTO-FINISH aseptic

Nearest frequency peer: aseptic (-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 “astrodome”

Sparse band: bars invert rank so rarer forms read shorter

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for astrodome
PropertyValue
Headwordastrodome
LanguageEnglish
Part of speechNoun
Letters9
Frequency rank#72,096
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Long-tail rank of “astrodome” 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).astrodomefalls in this rarity band:

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

Ticks step logarithmically, so each one marks a roughly tenfold drop in how often the word turns up. Rare peers in the same band: “aseptic” (#72,095), “asana” (#72,094), “atman” (#72,098). Among 3,931 “A” headwords, “astrodome” is #72,096. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

astrodome is uncommon English at frequency #72,096 among 3,931 “A” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "A transparent dome in the fuselage of an aircraft or spacecraft through which navigational observations may be made".

astrodome doesn't appear in our generated misspelling index, suggesting the orthography follows predictable English patterns. It is not paired with a close-neighbour confusable in our dataset, which typically means the spelling is too distinctive to be mistaken for another word.

Etymologically, the entry records: From astro- + dome. The correct English form is astrodome, spelled A-S-T-R-O-D-O-M-E.

Definition

  1. 1
    A transparent dome in the fuselage of an aircraft or spacecraft through which navigational observations may be made

Etymology

From astro- + dome.

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 "astrodome"?
"astrodome" is spelled A-S-T-R-O-D-O-M-E.
What does "astrodome" mean?
As a noun, "astrodome" means: A transparent dome in the fuselage of an aircraft or spacecraft through which navigational observations may be made
What is the origin of the word "astrodome"?
From astro- + dome. 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 "astrodome", not the corpus desk frequency band.

Same letter count

Frequency-ranked English headwords with 9 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list