1. Having four units or components
   - quadruple, quadruplex, fourfold, four-fold

1. Any four copies; any of four things that correspond to one another exactly
   "it was signed in quadruplicate"

1. Reproduce fourfold
   "quadruplicate the bill"

Derived forms: quadruplicating, quadruplicates, quadruplicated

See also: multiple, quadruple

Type of: copy, reproduce

• ptomain
• ptomaine
• ptomaine poisoning
• ptosis
• PTSD
• ptyalin
• ptyalise
• ptyalism
• ptyalith
• ptyalize
• Ptyas
• Ptyas mucosus
• Ptychozoon
• Ptychozoon homalocephalum
• Pu
• pub
• pub-crawl
• pubertal
• puberty
• puberulent
• pubes
• pubescence
• pubescent
• pubic
• pubic bone