Definition, Meaning & Synonyms

pyrophoric

Adjective

/ˌpaɪ.rəˈfɔːr.ɪk/

Definition

A term used to describe a substance that ignites spontaneously in the presence of air at or below room temperature.

Examples

Iron sulfide is a common pyrophoric material.
When handling pyrophoric chemicals, always use appropriate safety precautions to avoid accidental ignition.

Meaning

Pyrophoric materials can ignite without an external source of heat when exposed to oxygen or air, making them hazardous when stored or handled improperly.