ultrabasic /ul-trə-bāˈsik/ (petrology)

Extremely basic, very poor in silica

• cumulocirrus
• cumulonimbi
• cumulonimbus
• cumulonimbuses
• cumulose
• cumulostrata
• cumulostrati
• cumulostratus
• cumulus
• cunabula
• cunctation
• cunctations
• cunctatious
• cunctative
• cunctator
• cunctators
• cunctatory
• cundies
• deoxidize
• deoxidized
• deoxidizer
• deoxidizers
• deoxidizes
• deoxidizing
• deoxy-