noun🔗ShareMottenkugeln(usually in plural) A small ball of chemical pesticide (typically naphthalene) and deodorant placed in or around clothing and other articles susceptible to damage from mold or moth larvae in order to protect them from this damage."My grandmother puts mothballs in her closet to protect her winter coats from moths. "Meine Großmutter legt Mottenkugeln in ihren Schrank, um ihre Wintermäntel vor Motten zu schützen.substanceitemchemistryinsectmaterialChat with AIVocabulary GamePractice Reading