ad aperturam libri /ad ap-er-tūˈram libˈrī or -tŭrˈam libˈrē/

As the book opens

• phosphuretted
• phosphuretted hydrogen
• phossy jaw
• phot
• phot-
• phot.
• photic
• photics
• Photinia
• Photinias
• photism
• photisms
• photo
• photo-
• photoactive
• photo-ageing
• photobiologies
• photobiologist
• photobiologists
• photobiology
• photoblog
• photoblogs
• photobomb
• photobombed
• photobombing