1. In the process of being tested or tried

See also: unproved, unproven

• peripherally
• periphery
• periphrasis
• periphrastic
• periphrastically
• Periplaneta
• Periplaneta americana
• Periplaneta australasiae
• periplasm
• periplasmic space
• Periploca
• Periploca graeca
• peripteral
• perique
• perirhinal
• periscope
• periscopic
• periselene
• perish
• perishability
• perishable
• perishableness
• perisher
• Perisoreus
• Perisoreus canadensis