32 Don’t use slash-forms: she/he and his/her. Saying his or her and he or she is fine, but those expressions can be awkward. It would be better to alter the sentence using plurals instead of singulars. • All students plan their own programs, rather than the equally correct, Each student plans his or her own program. ship names Italicize both the ship name and the identifier. R/V Explorer since Do not use in place of because. Although it is an accepted usage according to MW, since is more clearly used to indicate a time reference. • It has been seven months since we first heard the news. • The show was canceled because no one showed up. • NOT The show was canceled since no one showed up. See also because. smartboard, smartphone One word, no hyphen, no caps social networks Use the word as it appears on the platform, title cap. Do not italicize. Facebook, LinkedIn, Pinterest, Reddit, Snapchat, Twitter, YouTube Social Security number Note uppercase and lowercase initial letters. someone, some one See anyone. South Florida Sun Sentinel Italics, no hyphen split infinitive See verbs. sports terms Because the Chicago Manual of Style does not contain a comprehensive listing of sports terms, see The Associated Press Stylebook. See also NCAA. staff See faculty. state names Spell out the names of U.S. states. If there is not enough space, use postal abbreviations. Always list the state with each city. See also addresses. state-of-the-art (adj.) Avoid overuse of this term; it’s a cliche. STEAM, STEM These acronyms must be spelled out before the abbreviated form can be used. STEAM is science, technology, engineering, arts, and mathematics. STEM is science, technology, engineering, and mathematics. student-faculty ratio The phrase student-faculty ratio is incorrect; most colleges have only one faculty, regardless of the number of students. Use student-professor ratio or student-teacher ratio instead. (Exception: If you are dealing with an informal marketing piece, student-faculty is acceptable language but not preferred.) See also faculty. study-abroad (adj.), study abroad (adv., verb) • Try our stimulating study-abroad program. • We encourage our students to study abroad.