Open Dictionary
mouse here to listen, click to choose/add more
Location: USA
Source: Learn That Word
Profile URL: www.learnthat.org

Are you a native English speaker? How do you pronounce this word?

Thank you for contributing!
upload mp3 file or record now it's easy, promised!

{%type%} Definitions

WordNet 3.0Copyright Princeton University
{%wordnet%}
Definitions.net
{%definitions_com%}

Videos

Short "hint"

n. - The phenomenon of an element existing in two or more physical forms.

edit
Usage examples (6)
  • The phenomenon of allotropy is exhibited when an element exists in two or more distinct forms.
  • About a fourth of the hold was similarly constructed, in order to bring back minerals whose allotropy required Jovian surface conditions.
  • Instances of allotropy in pure metals are: Bolley's lead, which oxidizes readily in air; Schutzenberger's copper; Fritsche 'tin, which falls to powder when exposed to...
  • There seems to be a similar allotropy working in human nature.
...click for more
Tutoring comment


Tutoring comment not yet available...

add more
The Open Dictionary of English is a collaborative project, based on Open Source materials, LearnThat resources, and partner APIs.
We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.