n.
Pronunciation: p ī - ' rä-l ə -s ə s
Function: noun
Etymology: New Latin
Date: circa 1890
: chemical change brought about by the action of heat
– py · ro · lyt · ic \ ˌ p ī -r ə - ' li-tik \ adjective
– py · ro · lyt · i · cal · ly \ -ti-k( ə -)l ē \ adverb