chemical change vs pyrochemistry

Other hyponyms of chemical change include acylation, agglutinating activity, agglutination, amylolysis, association, blueing, bluing, calcification, catalysis, contact action, chelation, chemical reaction, reaction, chlorination, cleavage, corroding, corrosion, erosion, cracking, deamination, deaminization, decalcification, decarboxylation, de-iodination, demineralisation, demineralization, desalination, desalinisation, desalinization, digestion, dissociation, gasification, gassing, hydrogenation, intumescence, intumescency, swelling, inversion, iodination, chemical mechanism, mechanism, nitrification, peptisation, peptization, photosynthesis, polymerisation, polymerization, precipitation, proteolysis, pyrochemical process, sequestration, synaeresis, syneresis, synthesis, transamination, transamination, ferment, fermentation, fermenting, zymolysis, zymosis.