1. Having four lobes

See also: many-sided, multilateral

• bionics
• bionomic
• bionomical
• bionomics
• biont
• biophysicist
• biophysics
• biopic
• biopiracy
• biopsy
• bioremediation
• biorhythm
• BIOS
• biosafety
• biosafety level
• biosafety level 1
• biosafety level 2
• biosafety level 3
• biosafety level 4
• bioscience
• bioscope
• biosecurity
• biosphere
• biostatistics
• biosynthesis