1. (chemistry) the theory that all indicators are either weak acids or weak bases in which the colour of the ionized form is different from the colour before dissociation
   - Ostwald's theory of indicators

Type of: scientific theory

• pot likker
• pot liquor
• pot marigold
• pot marjoram
• pot metal
• pot plant
• pot roast
• pot-au-feu
• pot-trained
• potable
• potage
• potage St. Germain
• potamogale
• Potamogale velox
• Potamogalidae
• Potamogeton
• Potamogeton americanus
• Potamogeton crispus
• Potamogeton gramineous
• Potamogeton nodosus
• Potamogetonaceae
• Potamophis
• Potamophis striatula
• potash
• potash alum