rotula /rotˈū-lə/

1. The knee-cap (anatomy)
2. A radial piece of Aristotle's lantern in sea-urchins (zoology)

• evaporation
• evaporations
• evaporative
• evaporator
• evaporators
• evaporimeter
• evaporimeters
• evaporite
• evaporites
• evaporograph
• evaporographs
• evaporometer
• evaporometers
• evapotranspiration
• evasible
• evasion
• evasions
• evasive
• evasively
• evasiveness
• evasivenesses
• eve
• evection
• evections
• evejar