astroid
/ˈæstɹɔɪd/noun
astroid is spelled A-S-T-R-O-I-D: 7 letters. It appears about once in every 41 million words in written English, the 196,618th most frequent word form (wordfreq, 2021 data). As a noun, astroid means “A hypocycloid with four cusps” (English Wiktionary, September 2026). The plural of astroid is astroids.
How many letters and syllables are in astroid?
| Letters | 7: A-S-T-R-O-I-D |
|---|---|
| In writing | about once in every 41 million words; the 196,618th most frequent word form |
| Wrong spellings searched | none measured in search |
| Sounds like |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is astroid?
Astroid appears about once in every 41 million words in written English, the 196,618th most frequent word form in the list.
Source: written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How do you pronounce astroid?
- /ˈæstɹɔɪd/
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Flame,_not_lame-astroid.wav, Wikimedia Commons (author and licence on each file's page).
Words people confuse with astroid
Sounds like: asteroid (Wiktionary's homophone list; some hold only in some accents).
Sources: English Wiktionary (homophones, alternative spellings).
Forms of astroid
- astroids plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does astroid mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
A hypocycloid with four cusps.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Astroid in Spanish, French, German and Portuguese
In the sense hypocycloid with four cusps:
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Translations are Wiktionary's, by sense; a linked word has its own PlainSpell page.
Where does astroid come from?
From Ancient Greek ἄστρον (ástron, “a star”) + εἶδος (eîdos, “form, likeness”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).