1. Active over a long period of time

See also: long

• propose
• proposer
• proposition
• propositional
• propositional calculus
• propositional logic
• propositus
• propound
• propoxyphene
• propoxyphene hydrochloride
• propping up
• propranolol
• proprietary
• proprietary colony
• proprietary drug
• proprietor
• proprietorial
• proprietorship
• proprietorship certificate
• proprietress
• propriety
• proprioception
• proprioceptive
• proprioceptor
• proprionamide