1. Capable of being used again
   - recyclable, reusable

See also: useful, utile

• Ptolemaic system
• Ptolemies
• Ptolemy
• Ptolemy I
• Ptolemy II
• ptomain
• ptomaine
• ptomaine poisoning
• ptosis
• PTSD
• ptyalin
• ptyalise
• ptyalism
• ptyalith
• ptyalize
• Ptyas
• Ptyas mucosus
• Ptychozoon
• Ptychozoon homalocephalum
• Pu
• pub
• pub-crawl
• pubertal
• puberty
• puberulent