pia mater /pīˈə māˈtər/ (anatomy)

1. The vascular membrane surrounding the brain and spinal cord
2. The brain (Shakespeare)

• insolubilised
• insolubilises
• insolubilising
• insolubilities
• insolubility
• insolubilize
• insolubilized
• insolubilizes
• insolubilizing
• insoluble
• insolubleness
• insolublenesses
• insolubly
• insolvabilities
• insolvability
• insolvable
• insolvably
• insolvencies
• insolvency
• insolvent
• insolvents
• in so many words
• in some measure
• in someone's bad books
• in someone's behalf