What part of a dictionary tells the way in which a word is divided? the suffix the guide words the slang list the syllabication

the syllabication, An entry word and its derived forms are divided into syllables by dots: ac·e·tate. In entries such as ethyl acetate that consist of two or more words separated by spaces, the words without centered dots are divided into syllables at their own places in the dictionary. Pronunciations are syllabicated as well, for the sake of clarity.

the longest time is 123 years