astrolabe

/ˈæs.tɹəˌleɪb/

//ˈæs.tɹəˌleɪb// noun

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

The verdict

“astrolabe” is an uncommon English word, ranked #71,292 in English word frequency and used as a noun.

#71,292
frequency rank, English
9
letters

According to Wiktionary data (CC BY-SA, analyzed May 6, 2026) - An astronomical and navigational instrument for gauging the altitude of the Sun and stars.

Key facts for astrolabe
PropertyValue
Headwordastrolabe
LanguageEnglish
Part of speechNoun
IPA/ˈæs.tɹəˌleɪb/
Letters9
Frequency rank#71,292
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Where “astrolabe” 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). astrolabe 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 astrolabe is 9 letters long, classified as a noun, and transcribed in the International Phonetic Alphabet as /ˈæs.tɹəˌleɪb/. Corpus data places it at rank #71,292 in overall English word frequency, marking it as uncommon enough that many writers pause before typing it. The dominant gloss from Wiktionary reads: "An astronomical and navigational instrument for gauging the altitude of the Sun and stars.".

No misspelling variants are generated for astrolabe in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. No close-neighbour confusable shows up for this headword in our dataset, since no other headword is close enough in sound or shape to pair with it.

Etymologically, the entry records: From Middle English astrelabie et al., from Middle French astrolabe, Old French astrelabe, from Ancient Greek ἀστρολάβος (astrolábos, “star-taking”), from ἄστρον (ástron, “star”) + λαμβάνω (lambánō, “I take”). The correct English form is astrolabe, spelled A-S-T-R-O-L-A-B-E.

Definition

  1. 1
    An astronomical and navigational instrument for gauging the altitude of the Sun and stars.

Etymology

From Middle English astrelabie et al., from Middle French astrolabe, Old French astrelabe, from Ancient Greek ἀστρολάβος (astrolábos, “star-taking”), from ἄστρον (ástron, “star”) + λαμβάνω (lambánō, “I take”).

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 "astrolabe"?
"astrolabe" is spelled A-S-T-R-O-L-A-B-E. The IPA pronunciation is /ˈæs.tɹəˌleɪb/.
What does "astrolabe" mean?
As a noun, "astrolabe" means: An astronomical and navigational instrument for gauging the altitude of the Sun and stars.
How do you pronounce "astrolabe"?
The IPA (International Phonetic Alphabet) transcription for "astrolabe" is /ˈæs.tɹəˌleɪb/. Click the speaker icon on the pronunciation badge above to hear it spoken aloud where audio is available.
What is the origin of the word "astrolabe"?
From Middle English astrelabie et al., from Middle French astrolabe, Old French astrelabe, from Ancient Greek ἀστρολάβος (astrolábos, “star-taking”), from ἄστρον (ástron, “star”) + λαμβάνω (lambánō, “I take”). 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 “astrolabe”

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

  • The one correct English spelling is A-S-T-R-O-L-A-B-E - every other letter order is a misspelling in standard orthography.
  • Say it as /ˈæs.tɹəˌleɪb/ (IPA); tap the speaker on the pronunciation badge to hear it where audio exists.
  • 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