[{"Bold_text": "noun", "List Items": ["the act of making or becoming unlike.", "Phonetics.the process by which a speech sound becomes different from or less like a neighboring sound, aspilgrim[pil, -grim]from Latinperegr?nus[pe, r, -e-, gree, -n, oo, s],andpurple[pur, -p, uh, l]from Old Englishpurpure[poor, -p, oo, -, r, e],or disappears entirely because of a like sound in another syllable, as in the pronunciation[guhv, -, uh, -ner]forgovernor.Compare assimilation(def7) assimilation(def7).", "Biology. catabolism ."]}]