1. Of or relating to a blastopore
   - blastoporic

See also: blastopore

• obstructiveness
• obstructor
• obstruent
• obtain
• obtainable
• obtainment
• obtention
• obtrude
• obtrude upon
• obtruder
• obtrusion
• obtrusive
• obtrusively
• obtrusiveness
• obtund
• obturate
• obturation
• obturator
• obturator vein
• obtuse
• obtuse angle
• obtuse leaf
• obtuse triangle
• obtuse-angled triangle
• obtusely