ADP

1. Adenosine diphosphate (biochemistry)
2. Automatic data processing (computing)

• richen
• richened
• richening
• richens
• richer
• riches
• richesse
• richest
• riching
• rich-left
• richly
• richness
• richnesses
• rich rhyme
• richt
• Richter scale
• ricier
• riciest
• ricin
• ricing
• ricinoleic
• ricinoleic acid
• ricins
• Ricinulei
• Ricinus