1. Pertaining to one of the small sacs (as in a compound gland)
   - acinar, acinous, acinic

See also: acinus

• oppression
• oppressive
• oppressively
• oppressiveness
• oppressor
• opprobrious
• opprobriously
• opprobrium
• oppugn
• oppugnant
• Ops
• Opsanus tau
• opsin
• opsonin
• opsonisation
• opsonise
• opsonization
• opsonize
• opt
• opt out
• optative
• optative mood
• Optez
• opthalmic
• optic