Sclerotization is a term that describes the hardening or stiffening of body tissues, particularly in insects. Synonyms for this word include cuticular tanning, cuticular hardening, chitinization, and cutinization. These terms refer to a process where the insect exoskeleton becomes more rigid and less flexible, allowing it to better protect the insect from predators and environmental stresses. Sclerotization is an important adaptation for insects, allowing them to survive in a range of habitats, from deserts to rainforests. By understanding the various synonyms for this process, scientists can better communicate and understand the intricacies of insect physiology and ecology.