Definition

1. Noun:
   • The property of some chemical elements to exist in two or more different physical forms (allotropes) in the same physical state: This phenomenon occurs when an element has different atomic arrangements or molecular structures, resulting in distinct physical properties.

Usage Examples

• Noun:
  • The allotropism of carbon is evident in the contrasting properties of graphite and diamond.
  • Scientists study the allotropism of elements like sulfur and phosphorus to understand their varied behaviors.

Advanced Usage

• "Exhibit allotropism": To display the property of having multiple allotropic forms.
  • Oxygen can exhibit allotropism, existing as both O₂ (dioxygen) and O₃ (ozone).

Variants and Related Words

• Allotropy (n): A synonym for allotropism; the condition of existing in multiple allotropic forms.
  • The allotropy of an element is a key concept in materials science.
• Allotrope (n): One of the different physical forms in which an element can exist.
  • Fullerenes are a more recently discovered allotrope of carbon.

Synonyms

• Polymorphism: While often used for compounds, it can be a broader term for the existence of multiple crystalline forms, closely related to allotropism in elements.

Related Phrases

• Allotropic form/ modification: A specific structural form of an element.
  • White tin and gray tin are allotropic forms of the element tin.

Noun

1. the phenomenon of an element existing in two or more physical forms