1. a substance produced by the thermal decomposition of organic material in the absence of oxygen.
Usage: technical; chemistry

Examples

• The pyrolysate from wood burning contains various organic compounds.
• Scientists analyzed the pyrolysate to understand the decomposition process.
• The pyrolysate produced by heating plastic waste can be used as fuel.
• Different temperatures yield different compositions of pyrolysate.
• The pyrolysate was collected and tested for its chemical properties.