We're working on a new site. Click here to get a sneak preview.
Medical Dictionary


noun py·rol·y·sis \pī-ˈräl-ə-səs\
plural py·rol·y·ses \-ˌsēz\

Medical Definition of PYROLYSIS

:  chemical change brought about by the action of heat
py·ro·lyt·ic \ˌpī-rə-ˈlit-ik\ adjective


How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears