allotrope
/ˈæ.lə.tɹəʊp/noun
allotrope is spelled A-L-L-O-T-R-O-P-E: 9 letters and 3 syllables. It appears about once in every 62 million words in written English, the 246,401st most frequent word form (wordfreq, 2021 data). As a noun, allotrope means “Any form of an element that has a distinctly different molecular structure to another form of the same element, with different physical properties…” (English Wiktionary, September 2026). The plural of allotrope is allotropes.
How many letters and syllables are in allotrope?
| Letters | 9: A-L-L-O-T-R-O-P-E |
|---|---|
| Syllables | 3 (from its American pronunciation) |
| In writing | about once in every 62 million words; the 246,401st most frequent word form |
| Wrong spellings searched | none measured in search |
Sources: letters and syllables from the English Wiktionary's hyphenation or pronunciation and the CMU Pronouncing Dictionary; written frequency: wordfreq 3.1 (a 2021 snapshot of Wikipedia, subtitles, news, books, web text and social media).
How common is allotrope?
Allotrope appears about once in every 62 million words in written English, the 246,401st 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 allotrope?
- UK /ˈæ.lə.tɹəʊp/
Allotrope has 3 syllables (counted from its American pronunciation in the CMU Pronouncing Dictionary).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract). Recordings: LL-Q1860_(eng)-Vealhurl-allotrope.wav, Wikimedia Commons (author and licence on each file's page).
Forms of allotrope
- allotropes plural
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
What does allotrope mean?
The meanings the English Wiktionary records, quoted as written there (source below).
noun
- 1
Any form of an element that has a distinctly different molecular structure to another form of the same element, with different physical properties and often different chemical properties.
- 2
An other form, a different shape of a lexical unit.
- 3
An alternative shape of a cognitive structure.
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).
Allotrope in Spanish, French, German and Portuguese
In the sense element form of different molecular structure to another form of the same elemen:
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 allotrope come from?
Back-formation from allotropy, as allo- + -trope, from Ancient Greek ἄλλος (állos, “other”), and τρόπος (trópos, “way, manner”).
Source: English Wiktionary, dump of September 2, 2026 (CC BY-SA 4.0), through kaikki.org (Wiktextract).