radix /rāˈdiks or räˈdēks/

1. A root, root-number, root-word (obsolete)
2. A source
3. A basis
4. The quantity on which a system of numeration, or of logarithms, etc is based

• urchins
• urchin-shows
• urchin-snouted
• urd
• urd bean
• urdee
• urds
• Urdu
• urdy
• urdé
• urdée
• -ure
• ure
• urea
• urea-formaldehyde resin
• urea-formaldehyde resins
• ureal
• urea resins
• ureas
• uredia
• Uredinales
• uredine
• Uredineae
• uredines
• uredinia