isobase /īˈsō-bās/ (geology)

A contour line of equal upheaval of the land

• pyrethroids
• Pyrethrum
• Pyrethrums
• pyretic
• pyretologies
• pyretology
• pyretotherapies
• pyretotherapy
• Pyrex
• pyrexia
• pyrexial
• pyrexias
• pyrexic
• pyrheliometer
• pyrheliometers
• pyrheliometric
• pyridine
• pyridines
• pyridoxal
• pyridoxals
• pyridoxin
• pyridoxine
• pyridoxines
• pyridoxins
• pyriform