1. Characterized by a straight line or lines
   - rectilinear

See also: linear, one-dimensional

• Paralithodes
• Paralithodes camtschatica
• parallax
• parallel
• parallel axiom
• parallel bars
• parallel circuit
• parallel interface
• Parallel Lives
• parallel of latitude
• parallel operation
• parallel port
• parallel processing
• parallel-park
• parallel-veined leaf
• parallelepiped
• parallelepipedon
• parallelise
• parallelism
• parallelize
• parallelogram
• parallelopiped
• parallelopipedon
• paralogism
• paralogy