allotrope

A1L1L1O1T1R1O1P3E1
UK/ˈæ.lə.tɹəʊp/

noun

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.

First used 1847Scrabble 11

Meanings

nounallotrope (plural allotropes)

plural allotropes

  1. chemistryAny 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.First known use 1847
  2. human sciencesAn other form, a different shape of a lexical unit.
  3. human sciencesAn alternative shape of a cognitive structure.

Origin

  1. Ancient Greekἄλλος“other”
  2. Englishallotrope

Back-formation from allotropy, as allo- + -trope, from Ancient Greek ἄλλος (állos, “other”), and τρόπος (trópos, “way, manner”).

Full word history & related roots →

Translations

Catalan al·lòtrop
  • al·lòtropelement form of different molecular structure to another form of the same element
Chinese Mandarin 同素異形體 /同素异形体
  • 同素異形體 /同素异形体 (tóngsùyìxíngtǐ)element form of different molecular structure to another form of the same element
Finnish allotrooppi
  • allotrooppielement form of different molecular structure to another form of the same element
French allotrope
  • allotropeelement form of different molecular structure to another form of the same element
German Allotrop
  • Allotropelement form of different molecular structure to another form of the same element
Greek αλλότροπα
  • αλλότροπα (allótropa)element form of different molecular structure to another form of the same element
Hindi अपररूप
  • अपररूप (aparrūp)element form of different molecular structure to another form of the same element
Hungarian allotróp
  • allotrópelement form of different molecular structure to another form of the same element
Irish allatróp
  • allatrópelement form of different molecular structure to another form of the same element
Italian allotropo
  • allotropoelement form of different molecular structure to another form of the same element
Māori āhuatini
  • āhuatinielement form of different molecular structure to another form of the same element
Polish alotrop
  • alotropelement form of different molecular structure to another form of the same element
Portuguese alótropo
  • alótropoelement form of different molecular structure to another form of the same element
Russian аллотро́пия
  • аллотро́пия (allotrópija)element form of different molecular structure to another form of the same element
Spanish alótropo
  • alótropoelement form of different molecular structure to another form of the same element
Tagalog kamulkap
  • kamulkapelement form of different molecular structure to another form of the same element
Turkish allotrop
  • allotropelement form of different molecular structure to another form of the same element
Cite this entry
APA

allotrope. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/allotrope

MLA

“allotrope.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/allotrope. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “allotrope,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/allotrope.

Source: allotrope on Wiktionary, CC BY-SA 4.0.