1. Bread made using sour milk and baking soda as a rising agent, rather than yeast

Encyclopedia: Soda bread

• photo finish
• photo op
• photo opportunity
• photo-offset
• photo-offset printing
• Photoblepharon
• Photoblepharon palpebratus
• photocathode
• photocell
• photochemical
• photochemical exchange
• photochemical reaction
• photochemistry
• photocoagulation
• photocoagulator
• photoconduction
• photoconductive
• photoconductive cell
• photoconductivity
• photocopier
• photocopy
• photodegradable
• photoelectric
• photoelectric cell
• photoelectric emission