1. Not using paper, esp. using electronic communication or storage instead

Encyclopedia: Paperless

• Cygnus columbianus columbianus
• Cygnus cygnus
• Cygnus olor
• cylinder
• cylinder block
• cylinder head
• cylinder lock
• cylinder press
• cylindric
• cylindrical
• cylindrical lining
• cylindrical-stemmed
• cylindricality
• cylindrically
• cylindricalness
• cylix
• cyma
• cyma recta
• cyma reversa
• Cymatiidae
• cymatium
• cymbal
• cymbalist
• cymbid
• cymbidium